283 search results - page 22 / 57 » A study of the effect of term proximity on query expansion |
WWW
2005
ACM
14 years 8 months ago
2005
ACM
We describe a framework of bootstrapped hypothesis testing for estimating the confidence in one web search engine outperforming another over any randomly sampled query set of a gi...
DL
1995
Springer
13 years 11 months ago
1995
Springer
The THOMAS system is designed to make legislative information available to the general public over the Internet, and can be regarded as a prototypeof a government digitallibrary. ...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
In this paper, we study the problem of effective keyword search over XML documents. We begin by introducing the notion of Valuable Lowest Common Ancestor (VLCA) to accurately and ...
NAACL
1994
13 years 9 months ago
1994
In this paper we demonstrate that speech recognition can be effectively applied to information retrieval (IR) applications. Our system exploits the fact that the intended words of...
DEBU
2007
13 years 7 months ago
2007
An indexing model is the heart of an Information Retrieval (IR) system. Data structures such as term based inverted indices have proved to be very effective for IR using vector sp...