051207 Commonsense Geography Meets Web Technology

Online Community Mapping Commonsense Geography meets Web T h l W b Technology: Online Community Mapping Open GIS & W b GIS 2005 Conference O Web C f Dec.7, 2005 Taipei, Taiwan Andrea Wei-Ching Huang and Tyng-Ruey Chuang Wei- Tyng- Institute of Information Science, Academia Sinica Taipei, Taiwan Online Community Mapping Outline • Introduction • APProposed Model dM d l • Open Collaborative Technologies • Open Public Access • Conclusion 2 Huang and Chuang, 2005

Online Community Mapping housingmaps g p craigslist + = 3 Huang and Chuang, 2005 Online Community Mapping “GIS can be used by the public to solve day-to-day problems ” day-to- problems. Online Community Mapping Not a dream to Egenhofer, M. J. and Mark, D. M (1995)? 4 Huang and Chuang, 2005

Online Community Mapping What Phenomenon is sweeping the Internet ? p g 2003~2004 Online Map Usage has increased 60% world wide ( Nielsen NetRatings, October 2004) 2004/ US Map Searching becomes top activity online in US. (Pew Internet & American Life Project survey, Dec.2004 ) 2005/ US After Google Map release… a proliferation of Map’s online map websites… quot;This is like the 1990's, when everyone was creating everything on the Web.quot; (NYTimes October 20, 2005 ) 2005/ UK Data supplied by Ordnance Survey (OS) adds an annual value of more than £100bn to the UK economy. (Guardian, April 7, 2005) 5 Huang and Chuang, 2005 Online Community Mapping 2. A Proposed Model . p 6 Huang and Chuang, 2005

Online Community Mapping We trace the emergence of specific features: see Chuang and Huang (2005) 7 Huang and Chuang, 2005 Online Community Mapping functionalize web technology phenomenalize integrated theorize 8 Huang and Chuang, 2005

Online Community Mapping At this point in time: we can say with confidence that people, place, participation are emerging in “Online Community Mapping”. 9 Huang and Chuang, 2005 Online Community Mapping In th I theory, naïve geography ï h stress common-sense geography of the world next-generation GIS g theory base allow “errors” & “inconsistent” in data 10 Huang and Chuang, 2005

Online Community Mapping 3. 3. Open Collaborative Technology T h l 11 Huang and Chuang, 2005 Online Community Mapping How to make available user- user- g generated geospatial data to g p those who are interested in it? 12 Huang and Chuang, 2005

Online Community Mapping Enabling Factors in Collaborative Geospatial Mapping g p pp g Software tools for collaboration & social interaction 13 Huang and Chuang, 2005 Online Community Mapping Geography Information G h I f ti i Technology y In our experience, Geography Markup Language (GML) and Scalable Vector Graphics (SVG) well utilize existing open source resources 14 Huang and Chuang, 2005

Online Community Mapping Taiwan Population Mapping Taipei City GML-based (http://tsm.iis.sinica.edu.tw/) Interoperable Geo-spatial Systems map rendering in SVG Topographical map rendering in SVG and GML 15 Huang and Chuang, 2005 Online Community Mapping social software mechanisms enable group participation and collaboration Social Software l •for document creation (wiki wiki) •personal publishing and syndication (blog blog) • social bookmark for links sharing (del icio us (del.icio.us del del.icio.us) us) • photo sharing (fliker fliker) • social tagging (technorati technorati) •resource sharing (Bi T h i (BitTorrent) BitTorrent) Bi 16 Huang and Chuang, 2005

Online Community Mapping a well-mixed bowl of well- i d b l f ll 17 Huang and Chuang, 2005 wikipedia.org/wiki/Social_software Online Community Mapping powerful tools for facilitating social f l t l f f ilit ti i l communication, creating and maintaining online communities i t i i li iti open, simple and freely editability p , p y y 18 Huang and Chuang, 2005

Online Community Mapping Mechanism Design in Blogging Software 1. Permalink: makes cross referencing and Permalink: discourse easier 2. Trackback: automates cross blog referencing; Trackback: converse and keeps correspondence explicit and persistent. 3. RSS and Atom, enables easy syndication Atom, and aggregation of blog content. 19 Huang and Chuang, 2005 Online Community Mapping who are combing social software to geo-place geo- Examples of (geo + blog) / (geo +wiki), see Chuang and Huang (2005) 20 Huang and Chuang, 2005

Online Community Mapping geo-spatial data complex p sophisticated set of tools 21 Huang and Chuang, 2005 Online Community Mapping 4. 4 Open Public Access demand for access to a IT + Web variety of geo data have not kept pace with d ith developments l t data dissemination and licensing frameworks g 22 Huang and Chuang, 2005

Online Community Mapping The major barriers and impediments to achieve collaborative geospatial mapping will not be technical but rather organisational and d i tit ti institutional. l 23 Huang and Chuang, 2005 Online Community Mapping Public Information 24 Huang and Chuang, 2005

Online Community Mapping Innovative Information Services 25 Huang and Chuang, 2005 Online Community Mapping Public Participation online games, online auctions, e-f li li ti e-forums, newsletters, BBS and blog communities. 26 Huang and Chuang, 2005

Online Community Mapping Public Li P bli Licensing i 27 Huang and Chuang, 2005 Online Community Mapping most major mapping agencies copyright their geodata, except for the US,CAN, Brazil, AUS, Brazil AUS and NZ 28 Huang and Chuang, 2005

Online Community Mapping •t l for empowerment of tool f t f citizens •sale data significant revenue •restricted = diminishing activities in education and research •the user- pay model •revenue from advertisements •fears of intellectual property leakage •may contradict •knowledge economy k l d government’s government’s roles 29 Huang and Chuang, 2005 Online Community Mapping Choices of Public License for Geospatial p Information are in Hand •GNU General Public License (for source code) •GNU Free Documentation License for documentation •Creative Commons Licenses (for general creative work 30 Huang and Chuang, 2005

Online Community Mapping Examples 31 Huang and Chuang, 2005 Online Community Mapping 32 Huang and Chuang, 2005

Online Community Mapping create freely usable geographic data and products at local scales 33 Huang and Chuang, 2005 Online Community Mapping 34 Huang and Chuang, 2005

Online Community Mapping UK based OpenStreetMap.org project adapts the GNU GPL for its software development and Creative Commons Attribution-ShareAlike 2.0 license for those collaborative content creation. 35 Huang and Chuang, 2005 Online Community Mapping Our perspectives • Online, open, and collaborative exploration of domain spaces is one of the most successful web paradigms paradigms. • We advocate more flexible licensing models. • Geo spatial dataset release should be in source Geo-spatial forms. • and should be accompanied by the necessary data models (i.e., schema), metadata and catalog descriptions, data format definitions, and source p code of the related software tools. 36 Huang and Chuang, 2005

Online Community Mapping 5. Conclusion 5 C l i 37 Huang and Chuang, 2005 Online Community Mapping GeoReport (November, 2005) asked: • Is it’s important to be able to add multiple data layers when using an online viewer d t l h i li i ( such as Google Map/Earth, Yahoo Maps or Microsoft Virtual Earth)? 38 Huang and Chuang, 2005

Online Community Mapping 95 % says it is important to be able to add their own data. dd th i data. d t 39 Huang and Chuang, 2005 Online Community Mapping The availability and validity of data will be enriched and corrected by the one who own the body of knowledge about their surrounding geographical world. world. 40 Huang and Chuang, 2005

Online Community Mapping Enabling Factors in Collaborative Geo spatial Mapping Geo-spatial The k Th key underlying here is d l i h i Software tools for collaboration & social interaction 41 Huang and Chuang, 2005 Online Community Mapping 42 Huang and Chuang, 2005

051207 Commonsense Geography Meets Web Technology

by andrea huang on Jan 25, 2008

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051207 Commonsense Geography Meets Web Technology — Presentation Transcript