109 search results - page 20 / 22 » Estimating Recall and Precision for Vague Queries in Databas... |
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
A meta-search engine propagates user queries to its participant search engines following a server selection strategy. To facilitate server selection, the metasearch engine must ke...
EDBT
2010
ACM
13 years 11 months ago
2010
ACM
The specification of schema mappings has proved to be time and resource consuming, and has been recognized as a critical bottleneck to the large scale deployment of data integrati...
BMCBI
2007
13 years 7 months ago
2007
Background: Identifying relevant research in an ever-growing body of published literature is becoming increasingly difficult. Establishing domain-specific knowledge bases may be a...
BMCBI
2011
13 years 2 months ago
2011
Background: To characterize the diversity of bacterial populations in metagenomic studies, sequencing reads need to be accurately assigned to taxonomic units in a given reference ...
SIGMOD
2010
ACM
13 years 6 months ago
2010
ACM
Virtually all histograms store for each bucket the number of distinct values it contains and their average frequency. In this paper, we question this paradigm. We start out by inv...