736 search results - page 62 / 148 » Answering Imprecise Queries over Web Databases |
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Current search engines do not fully leverage semantically rich datasets, or specialise in indexing just one domainspecific dataset. We present a search engine that uses the RDF da...
DASFAA
2007
IEEE
14 years 3 months ago
2007
IEEE
XML is by now the de facto standard for exporting and exchanging data on the web. The need for querying XML data sources whose structure is not fully known to the user and the need...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
DEXAW
2009
IEEE
14 years 3 months ago
2009
IEEE
— The amount of semantic data on the Web has increased exponentially in the last years. One of the main reasons for this is the use of RDB2RDF systems, which generate RDF data fr...
PODS
2000
ACM
14 years 1 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...