30267 search results - page 5400 / 6054 » Process Modelling Languages |
340
Voted
SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
303
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
204
Voted
SIGMOD
2002
ACM
16 years 7 months ago
2002
ACM
Clustering is the process of grouping a set of objects into classes of similar objects. Although definitions of similarity vary from one clustering model to another, in most of th...
208
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TACAS
2010
Springer
16 years 2 months ago
2010
Springer
Abstract. The Real-Time Calculus (RTC) [16] is a framework to analyze heterogeneous real-time systems that process event streams of data. The streams are characterized by pairs of ...
223
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ICDE
2010
IEEE
16 years 2 months ago
2010
IEEE
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...