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» On the Complexity of Join Predicates
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CORR
2010
Springer
127views Education» more  CORR 2010»
13 years 5 months ago
Complexity of Data Dependence problems for Program Schemas with Concurrency
am analysis and has been widely studied. In this paper we consider this problem at the abstraction level of program schemas in which computations occur in the Herbrand domain of te...
Sebastian Danicic, Robert M. Hierons, Michael R. L...
SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
14 years 10 months ago
Robust and efficient algorithms for rank join evaluation
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
Jonathan Finger, Neoklis Polyzotis
ICDE
2009
IEEE
120views Database» more  ICDE 2009»
14 years 5 months ago
Recommending Join Queries via Query Log Analysis
— Complex ad hoc join queries over enterprise databases are commonly used by business data analysts to understand and analyze a variety of enterprise-wide processes. However, eff...
Xiaoyan Yang, Cecilia M. Procopiuc, Divesh Srivast...
TKDE
2002
148views more  TKDE 2002»
13 years 9 months ago
Parallel Star Join + DataIndexes: Efficient Query Processing in Data Warehouses and OLAP
On-Line Analytical Processing (OLAP) refers to the technologies that allow users to efficiently retrieve data from the data warehouse for decision-support purposes. Data warehouses...
Anindya Datta, Debra E. VanderMeer, Krithi Ramamri...
CORR
2004
Springer
140views Education» more  CORR 2004»
13 years 10 months ago
Checking modes of HAL programs
Recent constraint logic programming (CLP) languages, such as HAL and Mercury, require type, mode and determinism declarations for predicates. This information allows the generatio...
Maria J. García de la Banda, Warwick Harvey...