37 search results - page 2 / 8 » Learning Resources Collections: Completeness and Compactness... |
ECIR
2009
Springer
14 years 4 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...
JUCS
2008
13 years 7 months ago
2008
: Feature selection methods are often applied in the context of document classification. They are particularly important for processing large data sets that may contain millions of...
AAAI
2012
11 years 9 months ago
2012
The study of transportability aims to identify conditions under which causal information learned from experiments can be reused in a different environment where only passive obser...
RIAO
2007
13 years 8 months ago
2007
The traditional crawlers used by search engines to build their collection of Web pages frequently gather unmodified pages that already exist in their collection. This creates unne...
INFOCOM
2003
IEEE
14 years 18 days ago
2003
IEEE
— In this paper we consider the problem of collecting a large amount of data from several different hosts to a single destination in a wide-area network. Often, due to congestion...