5746 search results - page 81 / 1150 » Visualizing Query Structure |
117
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IEICET
2008
15 years 2 months ago
2008
We consider the polynomial time learnability of finite unions of ordered tree patterns with internal structured variables, in the query learning model of Angluin (1988). An ordered...
134
Voted
CIKM
2004
Springer
15 years 7 months ago
2004
Springer
In the recent years, the Web has been rapidly “deepened” with the prevalence of databases online. On this deep Web, many sources are structured by providing structured query i...
133
Voted
CW
2005
IEEE
15 years 8 months ago
2005
IEEE
XML information retrieval (XML-IR) systems aim to provide users with highly exhaustive and highly specific results. To interact with XML-IR systems, users must express both their ...
108
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
XML databases often contain documents comprising structured text. Therefore, it is important to integrate "information retrieval style" query evaluation, which is well-s...
155
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ISAAC
2007
Springer
15 years 8 months ago
2007
Springer
In an uncertain data set S = (S, p, f) where S is the ground set consisting of n elements, p : S → [0, 1] a probability function, and f : S → R a score function, each element i...