2 citations · 3 across the 2 of their papers we have counts for
2 papers
cs.DS2012★ 1 cited
Density Functions subject to a Co-Matroid Constraint
Venkatesan T. Chakaravarthy, Natwar Modani, Sivaramakrishnan R. Natarajan +2
In this paper we consider the problem of finding the {\em densest} subset subject to {\em co-matroid constraints}. We are given a {\em monotone supermodular} set function defin…
cs.IR2011★ 2 cited
Query Expansion Based on Clustered Results
Ziyang Liu, Sivaramakrishnan Natarajan, Yi Chen
Query expansion is a functionality of search engines that suggests a set of related queries for a user-issued keyword query. Typical corpus-driven keyword query expansion approache…