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INFOSCALE
2007
ACM
13 years 10 months ago
Mining query logs to optimize index partitioning in parallel web search engines
Large-scale Parallel Web Search Engines (WSEs) needs to adopt a strategy for partitioning the inverted index among a set of parallel server nodes. In this paper we are interested ...
Claudio Lucchese, Salvatore Orlando, Raffaele Pere...
CORR
2007
Springer
77views Education» more  CORR 2007»
13 years 9 months ago
Query Evaluation and Optimization in the Semantic Web
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
Edna Ruckhaus, Eduardo Ruiz, Maria-Esther Vidal
CAV
2009
Springer
184views Hardware» more  CAV 2009»
14 years 9 months ago
Monotonic Partial Order Reduction: An Optimal Symbolic Partial Order Reduction Technique
Abstract. We present a new technique called Monotonic Partial Order Reduction (MPOR) that effectively combines dynamic partial order reduction with symbolic state space exploration...
Vineet Kahlon, Chao Wang, Aarti Gupta
ICCD
2004
IEEE
100views Hardware» more  ICCD 2004»
14 years 6 months ago
Layout Driven Optimization of Datapath Circuits using Arithmetic Reasoning
This paper proposes a new formalism for layout-driven optimization of datapaths. It is based on preserving an arithmetic bit level representation of the arithmetic circuit portion...
Ingmar Neumann, Dominik Stoffel, Kolja Sulimma, Mi...
IFL
2004
Springer
131views Formal Methods» more  IFL 2004»
14 years 2 months ago
Exploiting Single-Assignment Properties to Optimize Message-Passing Programs by Code Transformations
The message-passing paradigm is now widely accepted and used mainly for inter-process communication in distributed memory parallel systems. However, one of its disadvantages is the...
Alfredo Cristóbal-Salas, Andrey Chernykh, E...