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Deriving concept hierarchies from text
TLDR
This paper presents a means of automatically deriving a hierarchical organization of concepts from a set of retrieved documents without use of training data or standard clustering techniques using a type of co-occurrence known as subsumption. Expand
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Advantages of query biased summaries in information retrieval
TLDR
This paper presents an investigation into the utility of document summarisation in the context of information retrieval, more specifically in the application of query biased (or user directed) summaries: summaries customised to reflect the information need expressed in a query. Expand
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Test Collection Based Evaluation of Information Retrieval Systems
  • M. Sanderson
  • Computer Science
  • Found. Trends Inf. Retr.
  • 3 June 2010
TLDR
Use of test collections and evaluation measures to assess the effectiveness of information retrieval systems has its origins in work dating back to the early 1950s. Expand
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Information retrieval system evaluation: effort, sensitivity, and reliability
TLDR
The effectiveness of information retrieval systems is measured by comparing performance on a common set of queries and documents. Expand
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Word sense disambiguation and information retrieval
TLDR
It has often been thought that word sense ambiguity is a cause of poor performance in Information Retrieval (IR) systems. Expand
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Analyzing geographic queries
The aim of this study was to analyze the 2001 Excite query log to investigate the extent and variation of Web queries containing geographic terms. In particular, an investigation into what people Expand
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INQUERY and TREC-8
TLDR
We used Inquery as the search engine, query processing, and a query expansion technique known as LCA for the cross-language, question answering, and query tracks. Expand
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Spatial information retrieval and geographical ontologies an overview of the SPIRIT project
TLDR
A large proportion of the resources available on the world-wide web refer to information that may be regarded as geographically located and there is a wealth of survey data, images, maps and reports that relate to specific places or regions. Expand
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Ambiguous queries: test collections need more sense
TLDR
This paper shows that there is a whole class of ambiguous word that past research has barely explored. Expand
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The CLEF Cross Language Image Retrieval Track (ImageCLEF) 2004
TLDR
In this paper we describe ImageCLEF, the cross language image retrieval track of the Cross Language Evaluation Forum (CLEF). Expand
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