Sciweavers

295 search results - page 37 / 59
» Time-Stamp Management and Query Execution in Data Stream Man...
Sort
View
ICCS
2007
Springer
13 years 11 months ago
A Dataflow-Oriented Atomicity and Provenance System for Pipelined Scientific Workflows
Scientific workflows have gained great momentum in recent years due to their critical roles in e-Science and cyberinfrastructure applications. However, some tasks of a scientific w...
Liqiang Wang, Shiyong Lu, Xubo Fei, Jeffrey L. Ram
ICDE
2009
IEEE
130views Database» more  ICDE 2009»
14 years 9 months ago
Recursive Computation of Regions and Connectivity in Networks
In recent years, the data management community has begun to consider situations in which data access is closely tied to network routing and distributed acquisition: examples includ...
Mengmeng Liu, Nicholas E. Taylor, Wenchao Zhou, Za...
ICDE
2009
IEEE
182views Database» more  ICDE 2009»
14 years 9 months ago
Adaptive Parallelization of Queries over Dependent Web Service Calls
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
Manivasakan Sabesan, Tore Risch
SIGMOD
2011
ACM
177views Database» more  SIGMOD 2011»
12 years 10 months ago
NetTrails: a declarative platform for maintaining and querying provenance in distributed systems
We demonstrate NetTrails, a declarative platform for maintaining and interactively querying network provenance in a distributed system. Network provenance describes the history an...
Wenchao Zhou, Qiong Fei, Shengzhi Sun, Tao Tao, An...
CIKM
2001
Springer
14 years 3 days ago
Joint Optimization of Cost and Coverage of Query Plans in Data Integration
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
Zaiqing Nie, Subbarao Kambhampati