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PODS
2001
ACM
145views Database» more  PODS 2001»
14 years 5 months ago
Optimization of Sequence Queries in Database Systems
The need to search for complex and recurring patterns in database sequences is shared by many applications. In this paper, we discuss how to express and support efficiently sophis...
Reza Sadri, Carlo Zaniolo, Amir M. Zarkesh, Jafar ...
DEXA
2004
Springer
112views Database» more  DEXA 2004»
13 years 8 months ago
Efficient Algorithms for Multi-file Caching
Multi-File Caching issues arise in applications where a set of jobs are processed and each job requests one or more input files. A given job can only be started if all its input fi...
Ekow J. Otoo, Doron Rotem, Sridhar Seshadri
ICDE
2006
IEEE
128views Database» more  ICDE 2006»
14 years 6 months ago
Partial Selection Query in Peer-to-Peer Databases
In this paper, we propose DBSampler, a query execution mechanism to answer "partial selection" queries in peerto-peer databases. A partial selection query is an arbitrar...
Farnoush Banaei Kashani, Cyrus Shahabi
BDA
2004
13 years 6 months ago
Tree Graph Views: On Efficient Evaluation of XQuery in an XML Mediator
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
Tuyet-Tram Dang-Ngoc, Georges Gardarin, Nicolas Tr...
ICDE
2007
IEEE
205views Database» more  ICDE 2007»
14 years 6 months ago
Multi-source Skyline Query Processing in Road Networks
Skyline query processing has been investigated extensively in recent years, mostly for only one query reference point. An example of a single-source skyline query is to find hotel...
Ke Deng, Xiaofang Zhou, Heng Tao Shen