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INFOSCALE
2007
ACM
15 years 1 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...
SIGMOD
2001
ACM
213views Database» more  SIGMOD 2001»
15 years 12 months ago
Bit-Sliced Index Arithmetic
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
Denis Rinfret, Patrick E. O'Neil, Elizabeth J. O'N...
ICRA
2002
IEEE
120views Robotics» more  ICRA 2002»
15 years 4 months ago
Workspace Optimization of 3-UPU Parallel Platforms with Joint Constraints
In this paper the workspace optimization of translational 3-UPU parallel platforms with prismatic and universal joint constraints is performed. The workspace is parameterized usin...
Mircea Badescu, Jeremy Morman, Constantinos Mavroi...
IEEEPACT
2006
IEEE
15 years 5 months ago
Two-level mapping based cache index selection for packet forwarding engines
Packet forwarding is a memory-intensive application requiring multiple accesses through a trie structure. The efficiency of a cache for this application critically depends on the ...
Kaushik Rajan, Ramaswamy Govindarajan
TYPES
2000
Springer
15 years 3 months ago
Constructive Reals in Coq: Axioms and Categoricity
We describe a construction of the real numbers carried out in the Coq proof assistant. The basis is a set of axioms for the constructive real numbers as used in the FTA (Fundamenta...
Herman Geuvers, Milad Niqui