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» Relational queries over interpreted structures
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PODS
1999
ACM
160views Database» more  PODS 1999»
15 years 7 months ago
Queries with Incomplete Answers over Semistructured Data
Semistructured data occur in situations where information lacks a homogeneous structure and is incomplete. Yet, up to now the incompleteness of information has not been re ected b...
Yaron Kanza, Werner Nutt, Yehoshua Sagiv
VLDB
2006
ACM
203views Database» more  VLDB 2006»
16 years 3 months ago
The CQL continuous query language: semantic foundations and query execution
CQL, a Continuous Query Language, is supported by the STREAM prototype Data Stream Management System at Stanford. CQL is an expressive SQL-based declarative language for registeri...
Arvind Arasu, Shivnath Babu, Jennifer Widom
DASFAA
2009
IEEE
147views Database» more  DASFAA 2009»
15 years 10 months ago
SUITS: Faceted User Interface for Constructing Structured Queries from Keywords
Keyword search and database query are two ways for retrieving data in real world settings. In this demonstration, we show SUITS, a novel search interface over relational databases ...
Elena Demidova, Xuan Zhou, Gideon Zenz, Wolfgang N...
EDBTW
2010
Springer
15 years 9 months ago
SPARQL query rewriting for implementing data integration over linked data
There has been lately an increased activity of publishing structured data in RDF due to the activity of the Linked Data community1 . The presence on the Web of such a huge informa...
Gianluca Correndo, Manuel Salvadores, Ian Millard,...
ICDT
2012
ACM
293views Database» more  ICDT 2012»
13 years 5 months ago
On the complexity of query answering over incomplete XML documents
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Amélie Gheerbrant, Leonid Libkin, Tony Tan