199 search results - page 27 / 40 » Join queries on uncertain data: Semantics and efficient proc... |
96
Voted
SIGMOD
2010
ACM
14 years 9 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
203
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
With the advance of the Semantic Web, varying RDF data were increasingly generated, published, queried, and reused via the Web. For example, the DBpedia, a community effort to extr...
TKDE
2002
14 years 9 months ago
2002
Since WWW encourages hypertext and hypermedia document authoring (e.g. HTML or XML), Web authors tend to create documents that are composed of multiple pages connected with hyperl...
155
Voted
SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...