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168
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DAWAK
2003
Springer
15 years 10 months ago
2003
Springer
We introduce a new method for optimization of SQL queries with nested subqueries. The method is based on the idea of Boolean aggregates, aggregates that compute the conjunction or ...
148
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DIGRA
2003
Springer
15 years 10 months ago
2003
Springer
The authors look at online tip exchanges as parts of gift economies created by the players and designers of console and online role-playing games in Taiwan. A group of experienced...
155
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FSTTCS
2003
Springer
15 years 10 months ago
2003
Springer
For monoids that satisfy a weak cancellation condition, it is shown that the decidability of the existential theory of word equations is preserved under graph products. Furthermore...
155
Voted
GCC
2003
Springer
15 years 10 months ago
2003
Springer
Despite the growth of Internet and the advances in WWW technology, current methods for web users to make good use of information from so enormous web pages are not as efficient as ...
145
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CRIWG
2003
15 years 7 months ago
2003
This article presents a conceptual framework for the identification and classification of contextual elements included in groupware applications. Contextual elements store informat...