The document discusses how open source software is impacting geospatial technology. It notes that open geospatial standards, commoditization of technology, and growth of open source geospatial software are driving changes. Specifically, it outlines how open standards like OGC WMS/WFS have enabled open source projects like MapServer and PostGIS to emerge and how half the world's web mapping servers now use MapServer. The formation of OSGEO to support continued development of open source geospatial software is also discussed.
GeoSolutions has been involved into a number of projects, ranging from local administrations to global institutions, involving GeoNode deployments, customizations and enhancements. A gallery of projects and use cases will showcase the versatility and effectiveness of GeoNode, both as a standalone application and as a service component, for building secured geodata catalogs and web mapping services. Lastly, ongoing and future developments will be presented ranging from the upcoming integration with MapStore to the monitoring and analytics dashboard or the support for time series data.
Processing Landsat 8 Multi-Spectral Images with GRASS Tools & the potential o...Shaun Lewis
Paul Shapley gave a presentation on processing Landsat 8 multi-spectral images with GRASS tools and the potential of the QGIS-GRASS plugin. He discussed his background and work with QGIS and GRASS for mapping at Neath Port Talbot Borough Planning Department. He provided an overview of Landsat 8 data and demonstrated using GRASS modules to classify Landsat images and analyze changes over time. Shapley also discussed advantages and updates to the QGIS-GRASS plugin, and future projects using GRASS and 3D data for his local development plan monitoring and property mapping.
Here are the basic steps to start Image Analysis for ArcGIS:
1. Open ArcMap and add an image to your map. The image can be in a file geodatabase, personal geodatabase, or folder.
2. Click the Image Analysis button on the ArcMap toolbar to open the Image Analysis window.
3. In the Image Analysis window, click the Tools menu and select the tool you want to use, such as Histogram Stretch.
4. Configure the tool settings as needed and click OK to apply the tool to your image.
5. The results will display in your image layer in ArcMap.
6. Save your map document to preserve the changes made by the Image
ERDAS IMAGINE is a remote sensing image processing software that allows users to import imagery from satellite and aerial platforms and extract useful geospatial information. It has three product tiers - Essentials, Advantage, and Professional - that scale in functionality. The software also includes additional specialized modules like Virtual GIS and Radar Mapping Suite. ERDAS IMAGINE enables tasks like land cover classification, camera placement, integration with Google Earth and Bing Maps, measurement of vertical features, map report generation, and flood modeling.
Use case of Disaster Management System by using Geopaparazzi and MapGuide Ope...Hirofumi Hayashi
In recent years, large-scale disasters have occurred in the countries of
Asia including Japan, rapid collection and sharing of disaster information
is required in order to provide relief and support speedy restoration
of civic services. This presentation discusses the integration and customization
of FOSS4G field survey tools and Web GIS server to facilitate
aggregation and rapid sharing of disaster related field information.
Further, the system also provide realtime interaction between field party and
coordination team. A case study of practical use of the system at the Osaka Water
General Service (OWGS) Corporation will be demonstrated to present the salient
features of the system. The main capability of the system usability is normal
as well as disaster situation will be highlighted.
Closing plenary talk at the AGI geocommunity conference immediately prior to FOSS4G 2013 in Nottingham. On various aspects of open geospatial, but especially on Open Source.
GeoSolutions has been involved into a number of projects, ranging from local administrations to global institutions, involving GeoNode deployments, customizations and enhancements. A gallery of projects and use cases will showcase the versatility and effectiveness of GeoNode, both as a standalone application and as a service component, for building secured geodata catalogs and web mapping services. Lastly, ongoing and future developments will be presented ranging from the upcoming integration with MapStore to the monitoring and analytics dashboard or the support for time series data.
Processing Landsat 8 Multi-Spectral Images with GRASS Tools & the potential o...Shaun Lewis
Paul Shapley gave a presentation on processing Landsat 8 multi-spectral images with GRASS tools and the potential of the QGIS-GRASS plugin. He discussed his background and work with QGIS and GRASS for mapping at Neath Port Talbot Borough Planning Department. He provided an overview of Landsat 8 data and demonstrated using GRASS modules to classify Landsat images and analyze changes over time. Shapley also discussed advantages and updates to the QGIS-GRASS plugin, and future projects using GRASS and 3D data for his local development plan monitoring and property mapping.
Here are the basic steps to start Image Analysis for ArcGIS:
1. Open ArcMap and add an image to your map. The image can be in a file geodatabase, personal geodatabase, or folder.
2. Click the Image Analysis button on the ArcMap toolbar to open the Image Analysis window.
3. In the Image Analysis window, click the Tools menu and select the tool you want to use, such as Histogram Stretch.
4. Configure the tool settings as needed and click OK to apply the tool to your image.
5. The results will display in your image layer in ArcMap.
6. Save your map document to preserve the changes made by the Image
ERDAS IMAGINE is a remote sensing image processing software that allows users to import imagery from satellite and aerial platforms and extract useful geospatial information. It has three product tiers - Essentials, Advantage, and Professional - that scale in functionality. The software also includes additional specialized modules like Virtual GIS and Radar Mapping Suite. ERDAS IMAGINE enables tasks like land cover classification, camera placement, integration with Google Earth and Bing Maps, measurement of vertical features, map report generation, and flood modeling.
Use case of Disaster Management System by using Geopaparazzi and MapGuide Ope...Hirofumi Hayashi
In recent years, large-scale disasters have occurred in the countries of
Asia including Japan, rapid collection and sharing of disaster information
is required in order to provide relief and support speedy restoration
of civic services. This presentation discusses the integration and customization
of FOSS4G field survey tools and Web GIS server to facilitate
aggregation and rapid sharing of disaster related field information.
Further, the system also provide realtime interaction between field party and
coordination team. A case study of practical use of the system at the Osaka Water
General Service (OWGS) Corporation will be demonstrated to present the salient
features of the system. The main capability of the system usability is normal
as well as disaster situation will be highlighted.
Closing plenary talk at the AGI geocommunity conference immediately prior to FOSS4G 2013 in Nottingham. On various aspects of open geospatial, but especially on Open Source.
Este documento proporciona instrucciones sobre cómo acceder a Google Drive y explica su propósito y características. Para acceder a Google Drive, debes tener una cuenta de Gmail e iniciar sesión en drive.google.com. Google Drive se utiliza para almacenar archivos como documentos, presentaciones, música y fotos en la nube para poder acceder a ellos desde cualquier lugar. Ofrece ventajas como la colaboración en línea y accesibilidad desde cualquier dispositivo. Sus características incluyen 5GB de almacenamiento gratuito, integración
Nur Roikha is applying for a position and enclosing her resume. She is 32 years old and graduated from SMUN 22 SURABAYA. She has over 15 years of work experience in customer service, sales, and administrative roles. Her most recent role was as an Admin for Purchasing and Reservations where she handled procurement, bookings, and guest services. She believes her hard work and fast learning abilities would benefit the company.
El documento discute el impacto de las redes sociales como Facebook, Instagram y YouTube en los estudiantes universitarios, así como el uso de WhatsApp. Plantea que solo el 45% de los estudiantes de la Universidad ESAN sabe usar estas plataformas de manera adecuada sin caer en la adicción. Describe las características y usos principales de cada red social y argumenta que YouTube y WhatsApp pueden ser herramientas útiles para compartir información educativa.
El documento es un artículo académico escrito por Gabriel Valerio-Ureña y Ricardo Valenzuela-González, quienes tienen doctorados en innovación educativa y psicología educativa respectivamente. El artículo analiza cómo las redes sociales han transformado a los estudiantes universitarios de nativos digitales a "informívoros" que consumen grandes cantidades de información en línea. El artículo provee referencias bibliográficas y concluye que la información sobre cómo las redes sociales pueden beneficiar a los estudiantes
This document provides a menu for Yakumi 提味, featuring sushi, sashimi, and other Japanese dishes such as spicy tuna and crab meat wrapped in soy paper. It also lists items from a food truck including mini steak and pulled pork tacos. Additional dishes include forbidden rice risotto, fried duck liver and spinach, assorted mushroom soup, and a taro cake. Japanese fusion items like chow mein and a deconstructed miso soup are also included.
Este documento contrasta los ámbitos pragmático, discursivo y de procesamiento entre lo analógico y lo digital. Lo analógico se caracteriza por interacciones limitadas, linealidad en el discurso y procesamiento lento, mientras que lo digital permite interacciones simultáneas e hipertextualidad, con énfasis en recursos que facilitan la comunicación y reducen la carga cognitiva. Finalmente, señala que existe un equilibrio entre ambos entornos en las comunidades discursivas actuales.
Best practices for_managing_geospatial_data1Leng Kim Leng
Autodesk provides geospatial software solutions that bridge CAD and GIS technologies. This allows organizations to access and share critical geospatial data across departments and applications. Key Autodesk geospatial software includes AutoCAD Map 3D, which enables engineers to work with spatial data in AutoCAD, and Autodesk MapGuide Enterprise, which delivers web-based mapping applications. These solutions incorporate open-source FDO technology to provide native access to different data sources. Autodesk Topobase extends the capabilities with industry-specific data models and tools for advanced infrastructure management.
OGC Update for State of Geospatial Tech at T-RexGeorge Percivall
An update on OGC activities in three time horizons: Now, Next and After Next. Finishing with how to keep updated on OGC activities.
Now
Recently approved OGC standards
Implementation of approved standards
Next
Standards Program
Innovation Program
After Next
Tech Forecast
How to keep in touch
The document discusses the roles of Google and the Open Geospatial Consortium (OGC) in geospatial information systems and web mapping. It provides an overview of Google's geospatial technologies like Google Maps, Google Earth, and KML. It then introduces the OGC, its standards including GML and Web Map Service (WMS), and how these standards enable interoperability between different systems. The document argues that while Google is useful for many applications, the OGC is still needed for applications involving custom basemaps, connecting desktop GIS to web services, mixing data from different sources, or creating complex geospatial models.
One 1/2 of my presentation to Local Government. The presentation may appear slightly disjointed as it is designed to run on 2 screens. The other screen presentation is not uploaded as it contains other material not written by me
A talk about the OSGeo Live project; covering 43 projects that are available in a live DVD format (for you to run without installing). The project is much improved with OGC documentation and a description of many of the projects. New this year (thanks to some sponsorship) is quickstarts for several of the projects.
The User-participated Geospatial Web as Open PlatformChanny Yun
It's presentation of speaking in GIS International Seminar in Korea. You can refer to my full document in http://channy.creation.net/blog/data/channy/gis-seminar-2007.pdf
Open Source Geospatial Tools: Enabling Decision MakersEcotrust
The document discusses open source geospatial tools that are useful for ecosystem-based management (EBM). It describes the different types of open source tools available, including open source GIS base tools, web apps, and desktop apps. Some benefits of open source tools for EBM include reduced costs, flexibility, and community involvement. Specific open source tools mentioned that are useful for EBM tasks include QGIS, GRASS, web-based decision support tools, OpenOceanMap, and PostGIS. The document provides many links for learning more about various open source tools, standards, and communities.
The document provides a summary of the individual's work history in software development, with a focus on location-based and GIS projects. It includes roles and responsibilities in companies like ESRI Australia, MapData Sciences, and NGIS. A variety of technologies, languages, and tools are listed under general skills. Education includes a degree from Lincoln University. Contact details are provided at the end.
Autodesk recognizes the benefits of an active open source geospatial community. This community leads to more innovations that meet users' specific needs. Open source projects developed by the community provide applications with lower costs and ownership.
Let's integrate CAD/BIM/GIS on the same platform: A practical approach in rea...SANGHEE SHIN
I gave this keynote talk at 3D GeoInfo conference held at Singapore on 25th September 2019. I shared my experiences in integrating CAD/BIM/GIS on the web platform and introduced mago3D from the technical point of view.
- GeoServer is an open source Java web application for sharing geospatial data. It publishes data from any major spatial data source using open standards like WMS, WFS, WCS, and WPS.
- The GeoServer team has 13 releases in 2016 with a focus on maintenance and technical debt. New features include improved raster data support, styling enhancements, and configuration changes.
- Looking ahead, focus areas include vector data improvements, raster optimizations, maintenance, and improving support for newer Java versions and standards.
Introduction to mago3D, an Open Source Based Digital Twin PlatformSANGHEE SHIN
This talk was given at the Busan Eco Delta City(Korea National Pilot Smart City) technical workshop held on 18th July. I talked about introduction and history of mago3D, some core technologies, real cases, and lessons learnt in this workshop.
Este documento proporciona instrucciones sobre cómo acceder a Google Drive y explica su propósito y características. Para acceder a Google Drive, debes tener una cuenta de Gmail e iniciar sesión en drive.google.com. Google Drive se utiliza para almacenar archivos como documentos, presentaciones, música y fotos en la nube para poder acceder a ellos desde cualquier lugar. Ofrece ventajas como la colaboración en línea y accesibilidad desde cualquier dispositivo. Sus características incluyen 5GB de almacenamiento gratuito, integración
Nur Roikha is applying for a position and enclosing her resume. She is 32 years old and graduated from SMUN 22 SURABAYA. She has over 15 years of work experience in customer service, sales, and administrative roles. Her most recent role was as an Admin for Purchasing and Reservations where she handled procurement, bookings, and guest services. She believes her hard work and fast learning abilities would benefit the company.
El documento discute el impacto de las redes sociales como Facebook, Instagram y YouTube en los estudiantes universitarios, así como el uso de WhatsApp. Plantea que solo el 45% de los estudiantes de la Universidad ESAN sabe usar estas plataformas de manera adecuada sin caer en la adicción. Describe las características y usos principales de cada red social y argumenta que YouTube y WhatsApp pueden ser herramientas útiles para compartir información educativa.
El documento es un artículo académico escrito por Gabriel Valerio-Ureña y Ricardo Valenzuela-González, quienes tienen doctorados en innovación educativa y psicología educativa respectivamente. El artículo analiza cómo las redes sociales han transformado a los estudiantes universitarios de nativos digitales a "informívoros" que consumen grandes cantidades de información en línea. El artículo provee referencias bibliográficas y concluye que la información sobre cómo las redes sociales pueden beneficiar a los estudiantes
This document provides a menu for Yakumi 提味, featuring sushi, sashimi, and other Japanese dishes such as spicy tuna and crab meat wrapped in soy paper. It also lists items from a food truck including mini steak and pulled pork tacos. Additional dishes include forbidden rice risotto, fried duck liver and spinach, assorted mushroom soup, and a taro cake. Japanese fusion items like chow mein and a deconstructed miso soup are also included.
Este documento contrasta los ámbitos pragmático, discursivo y de procesamiento entre lo analógico y lo digital. Lo analógico se caracteriza por interacciones limitadas, linealidad en el discurso y procesamiento lento, mientras que lo digital permite interacciones simultáneas e hipertextualidad, con énfasis en recursos que facilitan la comunicación y reducen la carga cognitiva. Finalmente, señala que existe un equilibrio entre ambos entornos en las comunidades discursivas actuales.
Best practices for_managing_geospatial_data1Leng Kim Leng
Autodesk provides geospatial software solutions that bridge CAD and GIS technologies. This allows organizations to access and share critical geospatial data across departments and applications. Key Autodesk geospatial software includes AutoCAD Map 3D, which enables engineers to work with spatial data in AutoCAD, and Autodesk MapGuide Enterprise, which delivers web-based mapping applications. These solutions incorporate open-source FDO technology to provide native access to different data sources. Autodesk Topobase extends the capabilities with industry-specific data models and tools for advanced infrastructure management.
OGC Update for State of Geospatial Tech at T-RexGeorge Percivall
An update on OGC activities in three time horizons: Now, Next and After Next. Finishing with how to keep updated on OGC activities.
Now
Recently approved OGC standards
Implementation of approved standards
Next
Standards Program
Innovation Program
After Next
Tech Forecast
How to keep in touch
The document discusses the roles of Google and the Open Geospatial Consortium (OGC) in geospatial information systems and web mapping. It provides an overview of Google's geospatial technologies like Google Maps, Google Earth, and KML. It then introduces the OGC, its standards including GML and Web Map Service (WMS), and how these standards enable interoperability between different systems. The document argues that while Google is useful for many applications, the OGC is still needed for applications involving custom basemaps, connecting desktop GIS to web services, mixing data from different sources, or creating complex geospatial models.
One 1/2 of my presentation to Local Government. The presentation may appear slightly disjointed as it is designed to run on 2 screens. The other screen presentation is not uploaded as it contains other material not written by me
A talk about the OSGeo Live project; covering 43 projects that are available in a live DVD format (for you to run without installing). The project is much improved with OGC documentation and a description of many of the projects. New this year (thanks to some sponsorship) is quickstarts for several of the projects.
The User-participated Geospatial Web as Open PlatformChanny Yun
It's presentation of speaking in GIS International Seminar in Korea. You can refer to my full document in http://channy.creation.net/blog/data/channy/gis-seminar-2007.pdf
Open Source Geospatial Tools: Enabling Decision MakersEcotrust
The document discusses open source geospatial tools that are useful for ecosystem-based management (EBM). It describes the different types of open source tools available, including open source GIS base tools, web apps, and desktop apps. Some benefits of open source tools for EBM include reduced costs, flexibility, and community involvement. Specific open source tools mentioned that are useful for EBM tasks include QGIS, GRASS, web-based decision support tools, OpenOceanMap, and PostGIS. The document provides many links for learning more about various open source tools, standards, and communities.
The document provides a summary of the individual's work history in software development, with a focus on location-based and GIS projects. It includes roles and responsibilities in companies like ESRI Australia, MapData Sciences, and NGIS. A variety of technologies, languages, and tools are listed under general skills. Education includes a degree from Lincoln University. Contact details are provided at the end.
Autodesk recognizes the benefits of an active open source geospatial community. This community leads to more innovations that meet users' specific needs. Open source projects developed by the community provide applications with lower costs and ownership.
Let's integrate CAD/BIM/GIS on the same platform: A practical approach in rea...SANGHEE SHIN
I gave this keynote talk at 3D GeoInfo conference held at Singapore on 25th September 2019. I shared my experiences in integrating CAD/BIM/GIS on the web platform and introduced mago3D from the technical point of view.
- GeoServer is an open source Java web application for sharing geospatial data. It publishes data from any major spatial data source using open standards like WMS, WFS, WCS, and WPS.
- The GeoServer team has 13 releases in 2016 with a focus on maintenance and technical debt. New features include improved raster data support, styling enhancements, and configuration changes.
- Looking ahead, focus areas include vector data improvements, raster optimizations, maintenance, and improving support for newer Java versions and standards.
Introduction to mago3D, an Open Source Based Digital Twin PlatformSANGHEE SHIN
This talk was given at the Busan Eco Delta City(Korea National Pilot Smart City) technical workshop held on 18th July. I talked about introduction and history of mago3D, some core technologies, real cases, and lessons learnt in this workshop.
"The Golden Age of Geospatial Data Science and Engineering" presented as the inital lecture in the Geospatial Data Science Distinguished Speaker Series at the University of Illinois, Urbana-Champaign. Series organized and presented by Professor Shaowen Wang, Head of the Geography and Geographic Information Science Department.
"Data Science is in a golden age. The mathematical foundations of Data Science, known for many years, are now seeing broad applicability due to engineering advances in cloud and big data computing and due to the explosive availability of data about nearly every aspect of human activity coming from mobile devices, remote sensing and the Internet of Things. Nearly all of this data has components of location and time leading to stunning advances in geospatial data science. Development of intelligent systems using knowledge models leading to insights and understanding have the potential to significantly transform geospatial data sciences. To achieve the fullest extent of their potential, these innovations require establishment of open consensus standards. This talk will review recent developments in innovations, standards, and applications of geospatial data science and engineering."
Esri UC 2016 - Central San and the Local Government Information ModelCarl Von Stetten
The story of how Central San built a new integrated spatial asset management platform, and how the Esri Local Government Information Model (LGIM) provided the foundation.
Data-Driven Decision-Making for Construction & Asset ManagementGeoEnable Limited
This presentation covers how; How BIM will affect us all
How can we add value to BIM; who Geospatial adds value to BIM; Opportunities for blending skills
This document provides an introduction to PostGIS, an open source spatial database extender for PostgreSQL object-relational database. It discusses PostGIS' support for spatial data types, indexing, and functions. PostGIS allows for storage and query of spatial data in PostgreSQL for use in enterprise mapping, GIS, and location-based applications and services.
SuperMap GIS 10i is a cloud native, cross-platform GIS technology system that includes products for SDK, servers, clients, and desktop use. The document introduces the SuperMap GIS 10i technology system and product family, and provides details about the SuperMap iDesktop Java and .NET desktop GIS platforms, describing their abilities to produce and manage spatial data, represent spatial information, perform spatial analysis and data mining, and enable 2D/3D GIS and custom application development.
The OpenWebGlobe Project is an open source project started in 2011 that uses HTML5 and WebGL to create a virtual globe in web browsers without plugins. It was created by the University of Applied Sciences and Arts Northwestern Switzerland to provide an interactive 3D geoinformation library. OpenWebGlobe renders 2D and 3D map tiles from global datasets efficiently for desktop and mobile devices. It supports layers like imagery, points of interest, 3D models, and point clouds. Demos of the virtual globe viewing Switzerland and the world are provided.
In this presentation, latest results of our research activity in the ESCEL Comp4Drones project is presented. The application of S3D to the modeling and performance analysis of drone-based services is described
Ola Bini gave a whirlwind tour of JRuby, a Java implementation of the Ruby programming language. Some key points included: JRuby allows Ruby code to run on the Java virtual machine, taking advantage of features like native threading and access to Java libraries. It can run in several modes including interpreted, compiled, and just-in-time compiled. JRuby is commonly used to run Ruby on Rails applications, and tools like ActiveRecord-JDBC facilitate database access. Several other Ruby tools and frameworks like RSpec work with JRuby. Ola demonstrated several JRuby projects including Profligacy, Rubiq, and Swing wrappers. Future work includes finishing the compiler and exploring alternative interpreters like
SOLR is a RESTful web service built on top of Lucene that provides powerful full-text search capabilities across various data types and formats. It allows for easy setup and use, supports features like replication, CSV importing, JSON results, and highlighting, and has an active development community. The document provides an overview of SOLR and how to install, configure, and query it using its web-based control panel and Lucene query syntax. Examples are given for creating schemas and applications to index and search blog data using SOLR.
This document provides an overview of creating PHP extensions. It discusses PHP's handling of data using zval structures, creating extension files and configuration files, writing helper functions, and the overall layout of the main .c file. The goal is to teach developers how to build custom PHP extensions that add new functionality.
This document summarizes the development and maintenance of a large web application called Arcos over 2.5 years. It includes:
- Details on the codebase which includes nearly 80,000 lines of Perl code, 4,900 lines of SQL, and uses over 140 modules.
- The key features of Arcos including a CMS, e-commerce, data warehouse, email campaigns, job queue, and reporting.
- Challenges around deployment including managing dependencies, upgrades, testing, and configuration.
- Approaches to version control, releases, maintenance, and testing the application.
The document discusses different strategies companies can take when open sourcing code and their pros and cons. It recommends a consensus-based development strategy where decisions are made based on consensus of committers from both the company and community. This strategy builds long-term sustainable communities and trust while resulting in high quality software, though it requires more work upfront. The document provides tips for companies on crafting their community and moving development to be public and consensus-based.
Gofer is a scalable stateless proxy architecture for DBI that is transport independent, highly configurable, efficient, tested, scalable, and cacheable. It uses a simple request/response protocol and pluggable transport modules. Popular transport modules include null, stream (SSH), HTTP, and Gearman. The DBD::Gofer driver accumulates DBI method calls and delays forwarding requests to reduce round trips. Connection pooling can be implemented using Gofer with an HTTP transport behind an Apache load balancer for high performance and fail-over.
The document discusses the Yahoo User Interface (YUI) Cascading Style Sheets (CSS) framework. It provides an overview of the key YUI CSS files, including reset.css for normalizing HTML elements, fonts.css for font styling, and grids.css for page layouts. It also covers common CSS concepts like the cascade, floats, positioning, and table-less design implemented through CSS. The document encourages semantic class names, proper formatting and comments for maintainability, and recommends tools for CSS development.
The document discusses establishing a performance baseline for a PostgreSQL database. It recommends gathering hardware, operating system, database, and application configuration details. The baseline involves configuring these layers with generally recommended settings, including updating hardware/OS, using appropriate filesystem and PostgreSQL configuration settings, and setting up regular maintenance tasks. Establishing a baseline configuration helps identify potential performance issues and allows comparison to other systems.
The document discusses different stages of copyright reform and the debate around file sharing. It describes an initial stage of total control and panic by copyright holders, followed by stages of legal reform, abandoning DRM, and embracing Internet Service Provider (ISP)-level DRM. It notes trends around broadcast flags, universities censoring, and trade agreements. It also discusses whether to panic about or ignore file sharing rising, and losing legal and regulatory battles but winning practical ones. The implications for open source and acknowledgements are mentioned.
This document provides an overview of Second Life, including its growth since 2003, current size and usage statistics, and technical architecture. Some key points include:
- Second Life is an online virtual world with over 8 million registered users and 500,000 active residents.
- It has grown significantly since 2003, now processing over 100 million SQL queries per day and 1 petabyte of monthly traffic.
- Ordinary people spend significant time in Second Life, with over 669,000 hours of use per day and a median age of 34.
- In 2007 Linden Lab open sourced the viewer code, which has received over 500 subscribers and 135 patches from outside contributors.
- The current server architecture has some limitations
The document discusses Jingle, an open standard protocol for real-time communication like voice and video calls over the XMPP protocol. Jingle allows for peer-to-peer connections using techniques like STUN and ICE to traverse NATs and firewalls, with the ability to fallback to using media servers. The standard is maturing and implementations exist in libraries like libjingle, allowing for open, interoperable voice and video communication on a global federated XMPP network.
This document provides a list of the "Top Ten Ways to Sabotage your Project...with Subversion!" including things like not backing up the repository, putting unnecessary files in the repository, and directly editing the repository database rather than using SVN commands. The Q&A section warns a user not to directly edit the repository files and to instead use SVN commands.
This document discusses PHP Data Objects (PDO), a database abstraction layer for PHP. PDO provides a common interface for accessing various database systems and aims to eliminate inconsistencies in different database extensions. It allows prepared statements and bound parameters to help prevent SQL injection attacks. PDO is included with PHP 5.1 and later and provides drivers for many database systems including MySQL, PostgreSQL, SQLite, and SQL Server.
This document provides an overview of key concepts in US copyright, patent, and trademark law. It discusses what is and isn't covered by copyright, including originality requirements and exclusive rights. It also summarizes the patent examination process, prior art considerations, obviousness standards, and litigation procedures. For trademarks, it outlines levels of protection, registration processes, and infringement analysis based on consumer confusion. The document aims to dispel common myths and misconceptions that open source developers have about intellectual property law.
Lucene is an open-source search engine library that was created at Stanford University and is now developed by The Apache Software Foundation. It provides powerful full-text search and indexing capabilities out of the box and can be easily integrated into applications. Lucene syntax allows for field-specific searching, proximity searching, wildcard searching, and more.
This document discusses various technologies related to Ajax and web services, including:
1. Ajax started as an acronym for Asynchronous JavaScript and XML.
2. It describes common web service protocols like REST and SOAP. REST uses HTTP methods to perform CRUD operations on resources while SOAP uses an XML envelope.
3. It provides an example of using Ajax with a simple Perl script to retrieve the answer to "What is the meaning of life?" stored on a server and display it in the browser.
This document discusses various tools for debugging and testing the web tier, including:
- Firebug and Web Developer Toolbar which allow debugging of CSS, browser features, and JavaScript.
- JsUnit which provides a unit testing framework for JavaScript with capabilities like test functions, suites, and automated testing.
- Selenium which is a tool for acceptance testing that simulates user interactions and uses standard browser technologies.
- Other tools mentioned are Crosscheck for unit testing, and tracing for viewing test outputs. The document emphasizes the importance of testing and debugging for software quality.
The document discusses taking a holistic view of programming. It summarizes Adam Keys' presentation at OSCON 2007 on being a "holistic programmer". The presentation discusses understanding the layers above and below where you program in a software stack. It provides examples of abstractions that leak and summarizes Keys' discussion of compilers and algorithms, focusing on understanding data structures, grammars, parsers and automata involved in compiling source code.
1. Creative Commons is developing more flexible copyright options between all rights reserved and no rights reserved, known as "some rights reserved", to lower transaction costs for reuse of creative works.
2. Creative Commons provides free copyright licenses and tools to allow creators to choose how their works can be shared, reused and remixed legally.
3. The organization aims to extend their current initiatives to build interoperability between free and commercial culture and economies by developing new technologies, standards and projects.
This document appears to be notes from a presentation or workshop on computational geometry and modeling using the programming language Python. The notes cover topics like vectors, edges, polygons, polyhedra, strings, templates, and visualization. Examples are provided of using Python to model geometric objects and solve computational geometry problems. References are also made to several related conferences and projects from the 2000s.
Storytelling is an incredibly valuable tool to share data and information. To get the most impact from stories there are a number of key ingredients. These are based on science and human nature. Using these elements in a story you can deliver information impactfully, ensure action and drive change.
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Understanding User Needs and Satisfying ThemAggregage
https://www.productmanagementtoday.com/frs/26903918/understanding-user-needs-and-satisfying-them
We know we want to create products which our customers find to be valuable. Whether we label it as customer-centric or product-led depends on how long we've been doing product management. There are three challenges we face when doing this. The obvious challenge is figuring out what our users need; the non-obvious challenges are in creating a shared understanding of those needs and in sensing if what we're doing is meeting those needs.
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