96 search results - page 13 / 20 » PTIME Queries Revisited |
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
This paper revisits the analysis of annotation propagation from source databases to views defined in terms of conjunctive (SPJ) queries. Given a source database D, an SPJ query Q,...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Topic models such as aspect model or LDA have been shown as a promising approach for text modeling. Unlike many previous models that restrict each document to a single topic, topi...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
There has been a large amount of research on efficient document retrieval in both IR and web search areas. One important technique to improve retrieval efficiency is early termina...
INEX
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. The widespread adoption of XML necessitates structureaware systems that can effectively retrieve information from XML document collections. This paper reports on the par...
SIGSOFT
2000
ACM
14 years 2 hour ago
2000
ACM
Designing architectural frameworks without the aid of formal modeling is error prone. But, unless supported by analysis, formal modeling is prone to its own class of errors, in wh...