654 search results - page 67 / 131 » Complexity of Answering Queries Using Materialized Views |
123
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PEPM
2007
ACM
15 years 9 months ago
2007
ACM
XQuery is a powerful functional language to query XML data. This paper presents a bidirectional interpretation of XQuery to address the problem of updating XML data through materi...
103
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SOFSEM
2010
Springer
16 years 3 days ago
2010
Springer
Abstract. This article introduces KWQL, spoken “quickel”, a rulebased query language for a semantic wiki based on the label-keyword query paradigm. KWQL allows for rich combine...
232
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ICDE
2007
IEEE
16 years 4 months ago
2007
IEEE
This paper addresses the problem of efficient maintenance of a materialized skyline view in response to skyline removals. While there has been significant progress on skyline quer...
137
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JUCS
2010
14 years 10 months ago
2010
: We address the question of how to communicate among distributed processes values such as real numbers, continuous functions and geometrical solids with arbitrary precision, yet e...
142
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JIIS
2006
15 years 3 months ago
2006
A join of two relations in real databases is usually much smaller than their cartesian product. This means that most of the combinations of tuples in the crossproduct of the respe...