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SIGIR
2000
ACM
15 years 11 months ago
An investigation of linguistic features and clustering algorithms for topical document clustering
We investigate four hierarchical clustering methods (single-link, complete-link, groupwise-average, and single-pass) and two linguistically motivated text features (noun phrase he...
Vasileios Hatzivassiloglou, Luis Gravano, Ankineed...
CPM
2000
Springer
143views Combinatorics» more  CPM 2000»
15 years 11 months ago
Explaining and Controlling Ambiguity in Dynamic Programming
Abstract. Ambiguity in dynamic programming arises from two independent sources, the non-uniqueness of optimal solutions and the particular recursion scheme by which the search spac...
Robert Giegerich
DAWAK
1999
Springer
15 years 11 months ago
Heuristic Algorithms for Designing a Data Warehouse with SPJ Views
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...
Spyros Ligoudistianos, Timos K. Sellis, Dimitri Th...
189
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PPDP
1999
Springer
15 years 11 months ago
Constraint Programming in OPL
OPL is a modeling language for mathematical programming and combinatorial optimization problems. It is the rst modeling language to combine high-level algebraic and set notations f...
Pascal Van Hentenryck, Laurent Michel, Laurent Per...
ISSS
1997
IEEE
103views Hardware» more  ISSS 1997»
15 years 10 months ago
Fast and Extensive System-Level Memory Exploration for ATM Applications
In this paper, our memory architecture exploration methodology and CAD techniques for network protocol applications are presented. Prototype tools have been implemented, and appli...
Peter Slock, Sven Wuytack, Francky Catthoor, Gjalt...