24105 search results - page 193 / 4821 » Models in Information Retrieval |
CIKM
2011
Springer
12 years 10 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
HT
2006
ACM
14 years 4 months ago
2006
ACM
In this paper, an approach for the implementation of a qualitybased Web search engine is proposed. Quality retrieval is introduced and an overview on previous efforts to implement...
CLEF
2008
Springer
14 years 17 days ago
2008
Springer
The domain-specific track evaluates retrieval models for structured scientific bibliographic collections in English, German and Russian. Documents contain elements (title, abstrac...
BTW
2007
Springer
2007
Springer
TopX - Efficient and Versatile Top-k Query Process-ing for Text, Semistructured, and Structured Data
14 years 2 months ago
: This paper presents a comprehensive overview of the TopX search engine, an extensive framework for unified indexing and querying large collections of unstructured, semistructured...
IPM
2007
13 years 10 months ago
2007
Information retrieval systems consist of many complicated components. Research and development of such systems is often hampered by the difficulty in evaluating how each particula...