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» An efficient search algorithm for partially ordered sets
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DAM
2007
100views more  DAM 2007»
13 years 7 months ago
Partially ordered knapsack and applications to scheduling
In the partially-ordered knapsack problem (POK) we are given a set N of items and a partial order ≺P on N. Each item has a size and an associated weight. The objective is to pac...
Stavros G. Kolliopoulos, George Steiner
SIGMOD
2005
ACM
145views Database» more  SIGMOD 2005»
14 years 7 months ago
Stratified Computation of Skylines with Partially-Ordered Domains
In this paper, we study the evaluation of skyline queries with partially-ordered attributes. Because such attributes lack a total ordering, traditional index-based evaluation algo...
Chee Yong Chan, Pin-Kwang Eng, Kian-Lee Tan
KDD
2000
ACM
149views Data Mining» more  KDD 2000»
13 years 11 months ago
Efficient clustering of high-dimensional data sets with application to reference matching
Many important problems involve clustering large datasets. Although naive implementations of clustering are computationally expensive, there are established efficient techniques f...
Andrew McCallum, Kamal Nigam, Lyle H. Ungar
NAA
2000
Springer
97views Mathematics» more  NAA 2000»
13 years 11 months ago
Nested-Dissection Orderings for Sparse LU with Partial Pivoting
We describe the implementation and performance of a novel fill-minimization ordering technique for sparse LU factorization with partial pivoting. The technique was proposed by Gilb...
Igor Brainman, Sivan Toledo
SIGMOD
2009
ACM
291views Database» more  SIGMOD 2009»
14 years 7 months ago
Partial join order optimization in the paraccel analytic database
The ParAccel Analytic DatabaseTM is a fast shared-nothing parallel relational database system with a columnar orientation, adaptive compression, memory-centric design, and an enha...
Yijou Chen, Richard L. Cole, William J. McKenna, S...