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ECOOP
2011
Springer
14 years 4 months ago
Frequency Estimation of Virtual Call Targets for Object-Oriented Programs
Abstract. The information of execution frequencies of virtual call targets is valuable for program analyses and optimizations of object-oriented programs. However, to obtain this i...
Cheng Zhang, Hao Xu, Sai Zhang, Jianjun Zhao, Yuti...
EDBT
2004
ACM
147views Database» more  EDBT 2004»
16 years 4 months ago
Projection Pushing Revisited
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
Benjamin J. McMahan, Guoqiang Pan, Patrick Porter,...
EDBT
2009
ACM
175views Database» more  EDBT 2009»
15 years 11 months ago
Towards materialized view selection for distributed databases
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
Leonardo Weiss Ferreira Chaves, Erik Buchmann, Fab...
CAISE
2003
Springer
15 years 9 months ago
Introducing Custom Language Extensions to SQL: 1999
Abstract. Even though SQL has become widely accepted as a language for implementing relational database schemas and querying data, there are cases where s experience the need for n...
Jernej Kovse, Wolfgang Mahnke
COSIT
2001
Springer
139views GIS» more  COSIT 2001»
15 years 9 months ago
Two Path Prepositions: Along and Past
Abstract. We present results from a series of experiments, where relevant factors for the use of path prepositions were examined. We were especially interested in the concepts behi...
Christian Kray, Jörg Baus, Hubert D. Zimmer, ...