4397 search results - page 171 / 880 » Relational Algebra Operations |
122
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TAPOS
1998
15 years 3 months ago
1998
There is a growing need, both for use within corporate intranets and within the rapidly evolving World Wide Web, to develop tools that are able to retrieve relevant textual inform...
161
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RE
2004
Springer
15 years 8 months ago
2004
Springer
Scenarios and goals are effective and popular techniques for requirements definition. Validation is essential in order to ensure that they represent what stakeholders actually wan...
125
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ER
2007
Springer
15 years 7 months ago
2007
Springer
This paper presents a methodology to derive views over a relational database by applying a sequence of appropriately defined operations to the global schema. Such tailoring and com...
134
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BNCOD
2008
15 years 5 months ago
2008
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
144
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EVOW
1994
Springer
15 years 7 months ago
1994
Springer
The genetic programming (GP) paradigm is a new approach to inductively forming programs that describe a particular problem. The use of natural selection based on a fitness ]unction...