marko grobelnik jasna Škrbec jozef stefan institute social context as a part of...
TRANSCRIPT
Marko Grobelnik
Jasna Škrbec
Jozef Stefan Institute
Social Context as a part of News-Archive-Explorer
Web application for exploratory browsing of news streams and archives
Introduction
News publishers generate content archivesThe goal is to build a system to make such archives usable through text mining & visualization
Archive characteristics:Large corpora (up-to few M articles)
Rich meta data (specific for each archive)
Different input formats (xml structure)
Poor search interfaces (not specialized for archives)
What we want?
Application to…help user search and browse through archives
help user read more about topics related to search
visualize how things are connected in time, place, stories, etc.
get user’s attention and interest in other related issues
tell more about searched content
Already done
Import archive xml filesNew York Times archive (15M articles)
NYTimes LDC (1.7M articles)
Nature (300k articles),
Reuters (830k articles)
Server sideImport to database - PostgreSQL
Preprocessed with enrycher
Client sideFaceted Search interface (author, entity, keyword, publish date, category)
Showing context around searched content/article
Plans for the future
Improve search (with narrowing criteria, suggestions)
Adding visualizations to show content in time, space and other contexts
Adding links to similar content (stories)
Adding links to outside resources (like dbpedia) or bring this resources inside this application
Integrate with tools developed in AILab to improve search and presentation of articles (SearchPoint, DocAtlas, …)
Improve usability & appearance of user interface
Topic landscape of the query “Clinton” from Reuters news 1996-1997
Query
Search Results
Topic Map
Selected group of news
Selected story
Visualization of social relationships between “Clinton” and other entities
Query
Named entities in relation
Topic Trends Tracking of the documents including “Clinton”
Query
Topic TrendsVisualization
Topics description
US ElectionsUS Budget
Mid-Eastconflict
NATO-Russia
Result set