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SIGIR
2004
ACM
14 years 3 months ago
2004
ACM
Although information retrieval research has always been concerned with improving the effectiveness of search, in some applications, such as information analysis, a more specific ...
SIGIR
2004
ACM
14 years 3 months ago
2004
ACM
Although text categorization is a burgeoning area of IR research, readily available test collections in this field are surprisingly scarce. We describe a methodology and system (...
SIGIR
2004
ACM
14 years 3 months ago
2004
ACM
Document representation and indexing is a key problem for document analysis and processing, such as clustering, classification and retrieval. Conventionally, Latent Semantic Index...
SIGIR
2004
ACM
14 years 3 months ago
2004
ACM
In this paper we study the problem of finding most topical named entities among all entities in a document, which we refer to as focused named entity recognition. We show that th...
SIGIR
2004
ACM
14 years 3 months ago
2004
ACM
This paper examines whether the Cranfield evaluation methodology is robust to gross violations of the completeness assumption (i.e., the assumption that all relevant documents wi...