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VLDB
2003
ACM
107views Database» more  VLDB 2003»
14 years 8 months ago
A performance study of four index structures for set-valued attributes of low cardinality
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
Sven Helmer, Guido Moerkotte
SIGMOD
2003
ACM
172views Database» more  SIGMOD 2003»
14 years 7 months ago
Dynamic Sample Selection for Approximate Query Processing
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
Brian Babcock, Surajit Chaudhuri, Gautam Das
ICSE
2003
IEEE-ACM
14 years 7 months ago
Precise Dynamic Slicing Algorithms
Dynamic slicing algorithms can greatly reduce the debugging effort by focusing the attention of the user on a relevant subset of program statements. In this paper we present the d...
Xiangyu Zhang, Rajiv Gupta, Youtao Zhang
DCC
2003
IEEE
14 years 7 months ago
A Dictionary-Based Multi-Corpora Text Compression System
In this paper we introduce StarZip, a multi-corpora lossless text compression utility which incorporates StarNT, our newly proposed transform algorithm. StarNT is a dictionary-base...
Weifeng Sun, Nan Zhang 0005, Amar Mukherjee
ICCAD
2003
IEEE
124views Hardware» more  ICCAD 2003»
14 years 4 months ago
A Generalized Method for Computing Oscillator Phase Noise Spectra
This paper presents a generalized semi-analytic method for computing oscillator phase noise spectra, including the details very close to the oscillation frequency. The starting po...
Piet Vanassche, Georges G. E. Gielen, Willy M. C. ...