121 search results - page 23 / 25 » A General Framework for Estimating XML Query Cardinality |
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Most retrieval models estimate the relevance of each document to a query and rank the documents accordingly. However, such an approach ignores the uncertainty associated with the ...
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SIGIR
2002
ACM
14 years 9 months ago
2002
ACM
tion Abstract ChengXiang Zhai (Advisor: John Lafferty) Language Technologies Institute School of Computer Science Carnegie Mellon University With the dramatic increase in online in...
CIKM
2010
Springer
14 years 8 months ago
2010
Springer
Term-weighting functions derived from various models of retrieval aim to model human notions of relevance more accurately. However, there is a lack of analysis of the sources of e...
WWW
2001
ACM
15 years 10 months ago
2001
ACM
The enormous growth of the world wide web in recent years has made it important to perform resource discovery e ciently. Consequently, several new ideas have been proposed in rece...
WWW
2009
ACM
15 years 10 months ago
2009
ACM
We demonstrate a flight meta-search engine that is based on the Metamorph framework. Metamorph provides mechanisms to model web forms together with the interactions which are need...