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AMSTERDAM
2009
14 years 8 months ago
The Data Complexity of the Syllogistic Fragments of English
Abstract. Pratt and Third's syllogistic fragments of English can be used to capture, in addition to syllogistic reasoning, many other kinds of common sense reasoning, and, in ...
Camilo Thorne, Diego Calvanese
VLDB
1992
ACM
103views Database» more  VLDB 1992»
15 years 2 months ago
Temporal Query Processing and Optimization in Multiprocessor Database Machines
In this paper, we discuss issues involving temporal data fragmentation, temporal query processing, and query optimization in multiprocessor database machines. We propose parallel ...
T. Y. Cliff Leung, Richard R. Muntz
BMCBI
2011
14 years 5 months ago
Detection of viral sequence fragments of HIV-1 subfamilies yet unknown
Background: Methods of determining whether or not any particular HIV-1 sequence stems - completely or in part - from some unknown HIV-1 subtype are important for the design of vac...
Thomas Unterthiner, Anne-Kathrin Schultz, Jan Bull...
114
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JAPLL
2010
104views more  JAPLL 2010»
14 years 8 months ago
Complete axiomatizations for XPath fragments
We provide complete axiomatizations for several fragments of XPath: sets of equivalences from which every other valid equivalence is derivable. Specifically, we axiomatize downwar...
Balder ten Cate, Tadeusz Litak, Maarten Marx
DPD
2010
158views more  DPD 2010»
14 years 7 months ago
DYFRAM: dynamic fragmentation and replica management in distributed database systems
In distributed database systems, tables are frequently fragmented and replicated over a number of sites in order to reduce network communication costs. How to fragment, when to rep...
Jon Olav Hauglid, Norvald H. Ryeng, Kjetil N&oslas...