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» On optimizing collective communication
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VLDB
2004
ACM
124views Database» more  VLDB 2004»
14 years 3 months ago
Automated Statistics Collection in DB2 UDB
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
Ashraf Aboulnaga, Peter J. Haas, Sam Lightstone, G...
IWMM
1998
Springer
130views Hardware» more  IWMM 1998»
14 years 2 months ago
Comparing Mostly-Copying and Mark-Sweep Conservative Collection
Many high-level language compilers generate C code and then invoke a C compiler for code generation. To date, most of these compilers link the resulting code against a conservativ...
Frederick Smith, J. Gregory Morrisett
IWMM
2010
Springer
140views Hardware» more  IWMM 2010»
13 years 12 months ago
Parametric inference of memory requirements for garbage collected languages
The accurate prediction of program's memory requirements is a critical component in software development. Existing heap space analyses either do not take deallocation into ac...
Elvira Albert, Samir Genaim, Miguel Gómez-Z...
IR
2006
13 years 10 months ago
Hierarchical clustering of a Finnish newspaper article collection with graded relevance assessments
Search facilitated with agglomerative hierarchical clustering methods was studied in a collection of Finnish newspaper articles (N = 53,893). To allow quick experiments, clustering...
Tuomo Korenius, Jorma Laurikkala, Martti Juhola, K...
SIGIR
2006
ACM
14 years 4 months ago
Hybrid index maintenance for growing text collections
We present a new family of hybrid index maintenance strategies to be used in on-line index construction for monotonically growing text collections. These new strategies improve up...
Stefan Büttcher, Charles L. A. Clarke, Brad L...