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» Cluster-based query expansion
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BTW
2007
Springer
131views Database» more  BTW 2007»
15 years 8 months ago
TopX - Efficient and Versatile Top-k Query Process-ing for Text, Semistructured, and Structured Data
: This paper presents a comprehensive overview of the TopX search engine, an extensive framework for unified indexing and querying large collections of unstructured, semistructured...
Martin Theobald, Ralf Schenkel, Gerhard Weikum
TREC
2004
15 years 5 months ago
Expanding Queries Using Stems and Symbols
This paper describes the experiments conducted in the ad-hoc retrieval task of the Genomic track at TREC 2004. Different query expansion techniques based on the addition of keywor...
Michela Bacchin, Massimo Melucci
SIGIR
2008
ACM
15 years 4 months ago
Efficient top-k querying over social-tagging networks
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...
Ralf Schenkel, Tom Crecelius, Mouna Kacimi, Sebast...
CLEF
2007
Springer
15 years 10 months ago
Question Answering with Joost at CLEF 2007
We describe our system for the monolingual Dutch and multilingual English to Dutch QA tasks. First, we present a brief overview of our QA-system, which makes heavy use of syntacti...
Gosse Bouma, Geert Kloosterman, Jori Mur, Gertjan ...
ERCIMDL
2007
Springer
87views Education» more  ERCIMDL 2007»
15 years 10 months ago
Thesaurus-Based Feedback to Support Mixed Search and Browsing Environments
We propose and evaluate a query expansion mechanism that supports searching and browsing in collections of annotated documents. Based on generative language models, our feedback me...
Edgar Meij, Maarten de Rijke