8763 search results - page 388 / 1753 » Querying Database Knowledge |
172
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DEXA
2010
Springer
15 years 7 months ago
2010
Springer
We consider the containment problem for conjunctive queries with atomic negation. Firstly, we refine an existing algorithm based on homomorphism checks, which itself improves other...
160
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DEXA
1995
Springer
15 years 10 months ago
1995
Springer
To support applications, such as efficient browsing in large knowledge bases and cooperative knowledge discovery in large databases, the concept of rule similarity is essential. In...
284
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Book
A set of presentations that cover the book, which includes several topics such as relational database systems such as Relational Databases, Database Design, Object-Based Databases ...
154
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WEBDB
2004
Springer
16 years 4 days ago
2004
Springer
We propose a new distributed, fault-tolerant peer-to-peer index structure called the P-tree. P-trees efficiently evaluate range queries in addition to equality queries.
195
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GI
2009
Springer
15 years 4 months ago
2009
Springer
: Computer Assisted Surgery seeks data from various sources related to surgical knowledge, which is mostly represented in the form of discrete databases. However, databases serve a...