127 search results - page 14 / 26 » Conjunctive Query Containment under Access Limitations |
TKDE
1998
14 years 9 months ago
1998
E cient storage and retrieval of multi-attribute datasets have become one of the essential requirements for many data-intensive applications. The Cartesian product le has been kno...
PODS
2008
ACM
15 years 9 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
103
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CLUSTER
2005
IEEE
15 years 3 months ago
2005
IEEE
Data intensive applications on clusters often require requests quickly be sent to the node managing the desired data. In many applications, one must look through a sorted tree str...
106
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VLDB
2007
ACM
15 years 3 months ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
ECIR
2008
Springer
14 years 11 months ago
2008
Springer
We propose a new approach to a music search engine that can be accessed via natural language queries. As with existing approaches, we try to gather as much contextual information a...