2985 search results - page 328 / 597 » Indexing Distributed Complex Data for Complex Queries |
134
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FUIN
2007
15 years 6 months ago
2007
We give formulations for modal deductive databases and present a modal query language called MDatalog. We define modal relational algebras and give the seminaive evaluation algor...
171
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IPL
2010
15 years 5 months ago
2010
We derive a new generalization of lowest common ancestors (LCAs) in dags, called the lowest single common ancestor (LSCA). We show how to preprocess a static dag in linear time su...
163
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TIME
2005
IEEE
16 years 7 days ago
2005
IEEE
This paper presents an XML-based approach to implementing the parametric model of temporal databases. In the parametric model, attribute values are functions of time and the entir...
201
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ANCS
2010
ACM
15 years 4 months ago
2010
ACM
TCP/IP, the most commonly used network protocol, consumes a significant portion of time in Internet servers. While a wide spectrum of studies has been done to reduce its processin...
179
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KDD
2008
ACM
16 years 7 months ago
2008
ACM
This paper addresses the repeated acquisition of labels for data items when the labeling is imperfect. We examine the improvement (or lack thereof) in data quality via repeated la...