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ACL
1992
14 years 5 days ago
Estimating Upper and Lower Bounds on the Performance of Word-Sense Disambiguation Programs
We have recently reported on two new word-sense disambiguation systems, one trained on bilingual material (the Canadian Hansards) and the other trained on monolingual material (Ro...
William A. Gale, Kenneth Ward Church, David Yarows...
TCC
2007
Springer
91views Cryptology» more  TCC 2007»
14 years 5 months ago
Lower Bounds for Non-interactive Zero-Knowledge
Abstract. We establish new lower bounds and impossibility results for noninteractive zero-knowledge proofs and arguments with set-up assumptions. – For the common random string m...
Hoeteck Wee
COCOON
2005
Springer
14 years 4 months ago
A Quadratic Lower Bound for Rocchio's Similarity-Based Relevance Feedback Algorithm
Rocchio’s similarity-based relevance feedback algorithm, one of the most important query reformation methods in information retrieval, is essentially an adaptive supervised lear...
Zhixiang Chen, Bin Fu
FOCS
2007
IEEE
14 years 2 months ago
Minimizing Average Flow-time : Upper and Lower Bounds
We consider the problem of minimizing average flow time on multiple machines when each job can be assigned only to a specified subset of the machines. This is a special case of sc...
Naveen Garg, Amit Kumar
COMGEO
2008
ACM
13 years 11 months ago
Lower bounds for expected-case planar point location
Given a planar polygonal subdivision S, the point location problem is to preprocess S into a data structure so that the cell of the subdivision that contains a given query point c...
Theocharis Malamatos