54 search results - page 2 / 11 » Capturing collection size for distributed non-cooperative re... |
ECIR
2009
Springer
14 years 2 months ago
2009
Springer
The aim of query-based sampling is to obtain a sufficient, representative sample of an underlying (text) collection. Current measures for assessing sample quality are too coarse gr...
SIGIR
2008
ACM
13 years 4 months ago
2008
ACM
Algorithms in distributed information retrieval often rely on accurate knowledge of the size of a collection. The "multiple capture-recapture" method of Shokouhi et al. ...
SIGIR
2010
ACM
12 years 11 months ago
2010
ACM
The size of the Web as well as user bases of search systems continue to grow exponentially. Consequently, providing subsecond query response times and high query throughput become...
ERCIMDL
2005
Springer
13 years 10 months ago
2005
Springer
We present a new statistical compression method, which we call Phrase Based Dense Code (PBDC), aimed at compressing large digital libraries. PBDC compresses the text collection to ...
IPM
2007
13 years 4 months ago
2007
Users of search engines express their needs as queries, typically consisting of a small number of terms. The resulting search engine query logs are valuable resources that can be ...