Semantic linking Archives - Page 4 of 4

Archieven Linken met Semantische Zoekmachines

01/12/2010 Publications Publicity No Comments

In toenemende mate worden grootschalige archieven toegankelijk gemaakt voor een breed publiek. Prominente voorbeelden worden gegeven door de archieven van landelijke dagbladen, nationale archieven, overheidsarchieven, archieven onder beheer van de Koninklijke Bibliotheek, televisiearchieven zoals beheerd door het Nationaal Instituut voor Beeld en Geluid en, meer algemeen, door archieven van erfgoedinstellingen.…

Supervised query modeling using Wikipedia

14/07/2010 Conference Papers Publications No Comments

In a web retrieval setting, there is a clear need for precision enhancing methods. For example, the query “the secret garden” (a novel that has been adapted into movies and musicals) is a query that is easily led astray because of the generality of the individual query terms. While some…

Entity Search: Building Bridges between Two Worlds

20/04/2010 Publications Workshop Papers No Comments

We have come to depend on technological resources to create order and find meaning in the ever-growing amount of online data. One frequently recurring type of query in web search are queries containing named entities (persons, organizations, locations, etc.): we organize our environments around entities that are meaningful to us.…

Histogram indicating the number of documents vs the number of keyphrases

A Comparative Study of Features for Keyphrase Extraction

19/11/2009 Blog Conference Papers Publications No Comments

Keyphrases are short phrases that reflect the main topic of a document. Because manually annotating documents with keyphrases is a time-consuming process, several automatic approaches have been developed. Typically, candidate phrases are extracted using features such as position or frequency in the document text. Many different features have been suggested,…

Learning Semantic Query Suggestions

25/10/2009 Conference Papers Publications No Comments

An important application of semantic web technology is recognizing human-defined concepts in text. Query transformation is a strategy often used in search engines to derive queries that are able to return more useful search results than the original query and most popular search engines provide facilities that let users complete,…

Investigating the Semantic Gap through Query Log Analysis

25/10/2009 Conference Papers Publications No Comments

Significant efforts have focused in the past years on bringing large amounts of metadata online and the success of these efforts can be seen by the impressive number of web sites exposing data in RDFa or RDF/XML. However, little is known about the extent to which this data fits the…

Towards a combined model for search and navigation of annotated documents

16/07/2008 Conference Papers Publications No Comments

Documents whose textual content is complemented with annotations of one kind or another are ubiquitous. Examples include biomedical documents (annotated with MeSH terms) and news articles (annotated with IPTC terms). Such annotations—or concepts—have typically been used for query expansion, to suggest alternative or related query formulations, and to facilitate browsing…

Parsimonious concept modeling