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» Join operations in temporal databases
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VLDB
1990
ACM
104views Database» more  VLDB 1990»
15 years 1 months ago
Hash-Based Join Algorithms for Multiprocessor Computers
This paper studies a number of hash-based join algorithms for general purpose multiprocessor computers with shared memory where the amount of memory allocated to the join operatio...
Hongjun Lu, Kian-Lee Tan, Ming-Chien Shan
ADBIS
2008
Springer
142views Database» more  ADBIS 2008»
15 years 4 months ago
Evaluating Performance and Quality of XML-Based Similarity Joins
A similarity join correlating fragments in XML documents, which are similar in structure and content, can be used as the core algorithm to support data cleaning and data integratio...
Leonardo Ribeiro, Theo Härder
BTW
2007
Springer
164views Database» more  BTW 2007»
15 years 3 months ago
Integrating Structural Joins into a Tuple-Based XPath Algebra
: Over the recent years, very little effort has been made to give XPath a proper algebraic treatment. The only laudable exception is the Natix Algebra (NAL) which defines the tran...
Christian Mathis
ICDE
2007
IEEE
164views Database» more  ICDE 2007»
15 years 4 months ago
Secure Mediation of Join Queries by Processing Ciphertexts
In a secure mediated information system, confidentiality is one of the main concerns when transmitting data from datasources to clients via a mediator. We present three approache...
Joachim Biskup, Christian Tsatedem, Lena Wiese
SIGMOD
2002
ACM
93views Database» more  SIGMOD 2002»
15 years 9 months ago
Implementing database operations using SIMD instructions
Modern CPUs have instructions that allow basic operations to be performed on several data elements in parallel. These instructions are called SIMD instructions, since they apply a...
Jingren Zhou, Kenneth A. Ross