APIs, Mashups, and The Semantic Web

APIs, Mashups, and The Semantic Web

A quick word about librarians and technology

A quick word about librarians and technology

How many of you know about: HTML Cascading Style Sheets XML RSS Feeds

How many of you know about:

HTML

Cascading Style Sheets

XML

RSS Feeds

How many of you know about: Web 2.0 Library 2.0

How many of you know about:

Web 2.0

Library 2.0

Application Programming Interface API – The basics An application programming interface (API) is a source code interface that an operating system , library or service provides to support requests made by computer programs. Wikipedia http://en.wikipedia.org/wiki/API

API – The basics

An application programming interface (API) is a source code interface that an operating system , library or service provides to support requests made by computer programs. Wikipedia http://en.wikipedia.org/wiki/API

Application Programming Interface API – Definition of Terms Source Code PHP, Ruby on Rails, etc Operating System Windows, MAC, Linux Library collection of subprograms Service mechanism to enable access

API – Definition of Terms

Source Code

PHP, Ruby on Rails, etc

Operating System

Windows, MAC, Linux

Library

collection of subprograms

Service

mechanism to enable access

Application Programming Interface Android Google Data APIs Blogger Data API FeedBurner APIs Gmail Atom Feeds Google Account Authentication Google AdSense API Google AdSense for Audio API New! Google AdWords API Google AJAX APIs Google AJAX Feed API Google AJAX Language API New! Google AJAX Search API Google Analytics Google App Engine New! Google Apps APIs Google Base Data API Google Book Search Book Viewability API New! Google Calendar APIs and Tools Google Chart API Google Checkout API Google Code Search Google Code Search Data API Google Contacts Data API New! Google Coupon Feeds Google Desktop Gadget API APIs, Gadgets Google Documents List Data API Google Gadgets API Google Gears New! Google Earth, Maps, and Maps for mobile. Google Mapplets Google Maps API Google Mashup Editor Google News Feeds Google Notebook Data API OpenSocial Orkut Google Safe Browsing APIs Google Search Appliance APIs Google Search History Feeds Google Sitemaps Google SketchUp Ruby API Social Graph API New! Google Spreadsheets Data API Google Static Maps API New! Google Talk XMPP Google Themes API New! Google Toolbar API Google Transit Feed Specification Google Visualization API New! Google Web Toolkit Picasa APIs New! Picasa Web Albums Data API YouTube Data API

Android

Google Data APIs

Blogger Data API

FeedBurner APIs

Gmail Atom Feeds

Google Account Authentication

Google AdSense API

Google AdSense for Audio API New!

Google AdWords API

Google AJAX APIs

Google AJAX Feed API

Google AJAX Language API New!

Application Programming Interface API – The basics Application Programming Magic Conduit

API – The basics

Application Programming Interface Programming Magic Conduit

Application Programming Interface PubMed API

Application Programming Interface HubMed - search interface browsing organizing gathering information from the biomedical literature Changing the PubMed search experience

HubMed - search interface

browsing

organizing

gathering information from the biomedical literature

Changing the PubMed search experience

Application Programming Interface HubMed – special features date/relevance ranked search results web feeds for regular updates of published literature matching any search clustering and graphical display of related articles expansion of query terms direct export of citation metadata in many formats linking of keywords to external sources of information tagging and storage of interesting articles

HubMed – special features

date/relevance ranked search results

web feeds for regular updates of published literature matching any search

clustering and graphical display of related articles

expansion of query terms

direct export of citation metadata in many formats

linking of keywords to external sources of information

tagging and storage of interesting articles

Application Programming Interface Pubfocus – Special Features statistical analysis search queries enriched with the additional information gathered from journal rank database outputs basic statistical information on publication trends identifies the authors with most impact based on Author's Rank (AR) calculation

Pubfocus – Special Features

statistical analysis search queries enriched with the additional information gathered from journal rank database

outputs basic statistical information on publication trends

identifies the authors with most impact based on Author's Rank (AR) calculation

Application Programming Interface

Application Programming Interface Will vendors will allow us to have direct access to the data we already pay for?

Will vendors will allow us to have direct access to the data we already pay for?

Mashups

Mashups Google Maps – TwitterVision 3D

Google Maps – TwitterVision 3D

AJAX A synchronous J avaScript A nd X ML

A synchronous

J avaScript

A nd

X ML

AJAX Asynchronous extra data is requested from the server and loaded in the background without interfering with the display and behavior of the existing page Source: http://en.wikipedia.org/wiki/AJAX

Asynchronous

extra data is requested from the server and loaded in the background without interfering with the display and behavior of the existing page

AJAX Javascript Started as this small little scripting language mouse trials rotating Images mouse over effects Grew into a powerful scripting language allows for interaction on a Web page

Javascript

Started as this small little scripting language

mouse trials

rotating Images

mouse over effects

Grew into a powerful scripting language

allows for interaction on a Web page

AJAX XML e X tensible M arkup L anguage standardized data post and manipulate data on a Web page

XML

e X tensible M arkup L anguage

standardized data

post and manipulate data on a Web page

AJAX AJAX

AJAX

AJAX AJAX

AJAX

Mashups Back to Mashups

Back to Mashups

Mashups Google Maps - Craigslist

Google Maps - Craigslist

Mashups JSON - JavaScript Object Notation

JSON - JavaScript Object Notation

Mashups vimo

Mashups BioWizard Works with PubMed and allows users to Vote, Discuss, Share, etc.

Mashups HealthMap Brings together disparate data sources to achieve a unified and comprehensive view of the current global state of infectious diseases and their effect on human and animal health.

Mashups Greasemonkey Firefox Extension – PubMed Citations Allows you to customize the way a webpage displays using small bits of JavaScript. Google Scholar PubMed

The Semantic Web

Semantic Web Web 3.0 Web 1.0 - 2.0 a place for documents Combine documents with meaningful data

Web 3.0

Web 1.0 - 2.0 a place for documents

Combine documents with meaningful data

Semantic Web Uh oh, more technical stuff

Uh oh, more technical stuff

Semantic Web XML and RDF XML - arbitrary structure of tags, hidden labels, annotations RDF - creates meaning that allows computing systems, or Agents , to interpret and make sense of the data

XML and RDF

XML - arbitrary structure of tags, hidden labels, annotations

RDF - creates meaning that allows computing systems, or Agents , to interpret and make sense of the data

Semantic Web RDF encodes in sets of triples Subject Verb Object

RDF encodes in sets of triples

Subject

Verb

Object

Semantic Web Take a step back What’s your zip code? If I tell you my zip code, shouldn’t you know my city?

Take a step back

What’s your zip code?

If I tell you my zip code, shouldn’t you know my city?

Semantic Web Ontologies Representation of a set of concepts within a domain and the relationships between those concepts

Ontologies

Representation of a set of concepts within a domain and the relationships between those concepts

Semantic Web Consider a device which is a sort of mechanized private file and library The device is mechanized so that it is has exceeding speed and flexibility Enlarged intimate supplement to memory

Consider a device which is a sort of mechanized private file and library

The device is mechanized so that it is has exceeding speed and flexibility

Enlarged intimate supplement to memory

Semantic Web July 1945 Vannevar Bush As We May Think Atlantic Monthly

July 1945

Vannevar Bush

As We May Think

Atlantic Monthly

Semantic Web Any item may be caused at will to select immediately and automatically another The process of tying two items together is the important thing

Any item may be caused at will to select immediately and automatically another

The process of tying two items together is the important thing

Semantic Web All forms of intelligence whether of sound or sight, have been reduced to the form of varying currents in an electric circuit in order that they may be transmitted

All forms of intelligence whether of sound or sight, have been reduced to the form of varying currents in an electric circuit in order that they may be transmitted

Semantic Web May 17, 2001 Scientific American The Semantic Web Tim Berners-Lee, James Hendler and Ora Lassila

May 17, 2001

Scientific American

The Semantic Web

Tim Berners-Lee, James Hendler and Ora Lassila

Semantic Web A place where software Agents read and interpret data providing services Artificial Intelligence

A place where software Agents read and interpret data providing services

Artificial Intelligence

Semantic Web Imagine Mom and her two adult children Lucy and Pete At the doctor's office, Lucy instructed her Semantic Web Agent through her handheld Web browser

Imagine Mom and her two adult children Lucy and Pete

At the doctor's office, Lucy instructed her Semantic Web Agent through her handheld Web browser

Semantic Web The Agent promptly retrieved information about Mom's prescribed treatment from the doctor's Agent

The Agent promptly retrieved information about Mom's prescribed treatment from the doctor's Agent

Semantic Web The Agent checks for providers within a 20-mile radius of her home Provided with ratings of excellent or very good

The Agent checks for providers within a 20-mile radius of her home

Provided with ratings of excellent or very good

Semantic Web Matches available appointment times with Pete's and Lucy's busy schedules

Matches available appointment times with Pete's and Lucy's busy schedules

Semantic Web In a few minutes the Agent presents them with a plan Pete doesn’t like it. The University Hospital is all the way across town from Mom's place

In a few minutes the Agent presents them with a plan

Pete doesn’t like it. The University Hospital is all the way across town from Mom's place

Semantic Web Pete sets his Agent to redo the search with stricter preferences about location and time

Pete sets his Agent to redo the search with stricter preferences about location and time

Semantic Web Almost instantly the new plan is presented: a closer clinic with earlier times

Almost instantly the new plan is presented: a closer clinic with earlier times

Semantic Web Pete will have to reschedule a couple of less important appointments

Pete will have to reschedule a couple of less important appointments

Semantic Web Semantic Web today The Semantic Web Revisited IEEE INTELLIGENT SYSTEMS MAY/JUNE 2006 More standards developed OWL (Web Ontology Language) Folksonomies

Semantic Web today

The Semantic Web Revisited IEEE INTELLIGENT SYSTEMS MAY/JUNE 2006

More standards developed

OWL (Web Ontology Language)

Folksonomies

Semantic Web What does all this mean?

What does all this mean?

Semantic Web The Semantic Web isn’t ready for prime time Librarians, especially catalogers, will have a role in this future The train is in the station

The Semantic Web isn’t ready for prime time

Librarians, especially catalogers, will have a role in this future

The train is in the station

APIs, Mashups, and Semantic Web What should librarians be doing? APIs – push vendors for APIs into their systems Mashups – invest money, staff, and resources into creating useful applications Semantic Web – continue to monitor and jump in when the time comes

What should librarians be doing?

APIs – push vendors for APIs into their systems

Mashups – invest money, staff, and resources into creating useful applications

Semantic Web – continue to monitor and jump in when the time comes