964 search results - page 59 / 193 » Efficiently Ordering Query Plans for Data Integration |
215
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
In this paper, we study the evaluation of skyline queries with partially-ordered attributes. Because such attributes lack a total ordering, traditional index-based evaluation algo...
178
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VLDB
2002
ACM
15 years 4 months ago
2002
ACM
In spite of the many decades of progress in database research, surprisingly scientists in the life sciences community still struggle with inefficient and awkward tools for queryin...
139
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EDBT
2006
ACM
16 years 4 months ago
2006
ACM
Abstract. Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. The...
171
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APWEB
2004
Springer
15 years 10 months ago
2004
Springer
The management of voluminous heterogeneous resources and services in the web environment is a complex task. Semantic knowledge is playing an increasing important role in order to h...
145
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ADC
2008
Springer
15 years 6 months ago
2008
Springer
In order to find all occurrences of a tree/twig pattern in an XML database, a number of holistic twig join algorithms have been proposed. However, most of these algorithms focus o...