276 search results - page 22 / 56 » Answering XML Queries over Heterogeneous Data Sources |
129
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EKAW
2010
Springer
14 years 8 months ago
2010
Springer
Linked Data semantic sources, in particular DBpedia, can be used to answer many user queries. PowerAqua is an open multi-ontology Question Answering (QA) system for the Semantic We...
SIGMOD
2004
ACM
15 years 3 months ago
2004
ACM
Information in today’s enterprises commonly resides in a variety of heterogeneous data sources, including relational databases, web services, files, packaged applications, and c...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
We consider an environment where distributed data sources continuously stream updates to a centralized processor that monitors continuous queries over the distributed data. Signif...
164
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
167
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VLDB
2001
ACM
15 years 10 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...