4113 search results - page 304 / 823 » Watermarking Relational Databases |
131
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ER
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. We discuss the existence of matrix representations for generalised and minimum participation constraints which are frequently used in database design and conceptual model...
159
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XSYM
2007
Springer
15 years 11 months ago
2007
Springer
: Mashups exemplify a workflow-like approach to dynamically integrate data and services from multiple web sources. Such integration workflows can build on existing services for web...
123
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DBPL
1999
Springer
15 years 9 months ago
1999
Springer
We consider IES(SQL), the incremental evaluation system over an SQL-like language with grouping, arithmetics, and aggregation. We show that every second order query is in IES(SQL) ...
163
Voted
ADBIS
2004
Springer
15 years 8 months ago
2004
Springer
Abstract. We present for the first-order theory of atomic Boolean algebras of sets with linear cardinality constraints a quantifier elimination algorithm. In the case of atomic Boo...
104
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DASFAA
2004
IEEE
15 years 8 months ago
2004
IEEE
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...