732 search results - page 84 / 147 » Querying Multimedia Data Sources and Databases |
WWW
2006
ACM
14 years 10 months ago
2006
ACM
An important issue arising from large scale data integration is how to efficiently select the top-K ranking answers from multiple sources while minimizing the transmission cost. T...
SIGMOD
2000
ACM
14 years 2 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
EDBT
2012
ACM
12 years 13 days ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
DEXAW
2007
IEEE
14 years 4 months ago
2007
IEEE
This paper presents an information retrieval methodology which uses Formal Concept Analysis in conjunction with semantics to provide contextual answers to users’ queries. User f...