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» On optimizing collective communication
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VLDB
2004
ACM
124views Database» more  VLDB 2004»
15 years 9 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The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...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»
15 years 8 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»
15 years 5 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
15 years 4 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
15 years 10 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...