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» On the Consistency of Ranking Algorithms
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NLDB
2007
Springer
15 years 4 months ago
Combining Vector Space Model and Multi Word Term Extraction for Semantic Query Expansion
Abstract. In this paper, we target document ranking in a highly technical field with the aim to approximate a ranking that is obtained through an existing ontology (knowledge stru...
Eric SanJuan, Fidelia Ibekwe-Sanjuan, Juan Manuel ...
SIAMCO
2002
121views more  SIAMCO 2002»
14 years 9 months ago
Consistent Approximations and Approximate Functions and Gradients in Optimal Control
As shown in [7], optimal control problems with either ODE or PDE dynamics can be solved efficiently using a setting of consistent approximations obtained by numerical discretizati...
Olivier Pironneau, Elijah Polak
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
15 years 10 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
CAV
2008
Springer
96views Hardware» more  CAV 2008»
14 years 11 months ago
Implied Set Closure and Its Application to Memory Consistency Verification
Hangal et. al. [3] have developed a procedure to check if an instance of the execution of a shared memory multiprocessor program, is consistent with the Total Store Order (TSO) mem...
Surender Baswana, Shashank K. Mehta, Vishal Powar
SAC
2010
ACM
15 years 4 months ago
Relational consistency by constraint filtering
In this paper, we propose a new algorithm for enforcing relational consistency on every set of k constraints of a finite Constraint Satisfaction Problem (CSP). This algorithm ope...
Shant Karakashian, Robert J. Woodward, Berthe Y. C...