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ICWS
2008
IEEE
15 years 7 months ago
A Formal Model of Human Workflow
BPEL (Business Process Execution Language) has become the standard for specifying and executing workflow specifications for web service composition invocation. A major weakness of ...
Xiangpeng Zhao, Zongyan Qiu, Chao Cai, Hongli Yang
FAC
2002
66views more  FAC 2002»
15 years 6 months ago
Shallow Linear Action Graphs and their Embeddings
Action calculi, which generalise process calculi such as Petri nets, -calculus and ambient calculus, have been presented in terms of action graphs. We here offer linear action grap...
James J. Leifer, Robin Milner
VLDB
2006
ACM
124views Database» more  VLDB 2006»
16 years 6 months ago
Query optimization in XML structured-document databases
While the information published in the form of XML-compliant documents keeps fast mounting up, efficient and effective query processing and optimization for XML have now become mor...
Dunren Che, Karl Aberer, M. Tamer Özsu
SIGMOD
2007
ACM
128views Database» more  SIGMOD 2007»
16 years 6 months ago
A SQL: 1999 code generator for the pathfinder xquery compiler
The Pathfinder XQuery compiler has been enhanced by a new code generator that can target any SQL:1999-compliant relational database system (RDBMS). This code generator marks an im...
Torsten Grust, Manuel Mayr, Jan Rittinger, Sherif ...
SAC
2004
ACM
15 years 11 months ago
Integrating similarity-based queries in image DBMSs
Until recently, issues in image retrieval have been handled in DBMSs and in computer vision as separate research works. Nowadays, the trend is towards integrating the two approach...
Solomon Atnafu, Richard Chbeir, David Coquil, Lion...