496 search results - page 65 / 100 » Machine models and lower bounds for query processing |
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
We describe the integration of a structuredtext retrieval system (TextMachine) into an object-oriented database system (OpenODB). We use the external function capability of the da...
IPCO
1998
13 years 9 months ago
1998
We provide several non-approximability results for deterministic scheduling problems whose objective is to minimize the total job completion time. Unless P = NP, none of the probl...
ALMOB
2008
13 years 7 months ago
2008
Background: In recent years, quartet-based phylogeny reconstruction methods have received considerable attentions in the computational biology community. Traditionally, the accura...
DATAMINE
2007
13 years 7 months ago
2007
Many high level representations of time series have been proposed for data mining, including Fourier transforms, wavelets, eigenwaves, piecewise polynomial models etc. Many researc...
PODC
2009
ACM
14 years 8 months ago
2009
ACM
d Abstract] Danny Hendler Department of Computer-Science Ben-Gurion University hendlerd@cs.bgu.ac.il Philipp Woelfel Department of Computer-Science University of Calgary woelfel@cp...