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SIGIR
2012
ACM
11 years 6 months ago
Modeling higher-order term dependencies in information retrieval using query hypergraphs
Many of the recent, and more effective, retrieval models have incorporated dependencies between the terms in the query. In this paper, we advance this query representation one st...
Michael Bendersky, W. Bruce Croft
CDC
2010
IEEE
147views Control Systems» more  CDC 2010»
12 years 7 months ago
Partial pole placement with minimum norm controller
— The problem of placing an arbitrary subset (m) of the (n) closed loop eigenvalues of a nth order continuous time single input linear time invariant(LTI) system, using full stat...
Subashish Datta, Balarko Chaudhuri, Debraj Chakrab...
RSA
2011
131views more  RSA 2011»
12 years 10 months ago
On covering by translates of a set
Abstract. In this paper we study the minimal number τ(S, G) of translates of an arbitrary subset S of a group G needed to cover the group, and related notions of the efficiency of...
Béla Bollobás, Svante Janson, Oliver...
DM
1999
75views more  DM 1999»
13 years 3 months ago
Real and integer domination in graphs
For an arbitrary subset P of the reals, we define a function f: V P to be a Pdominating function of graph G = (V, E) if the sum of the function values over any
Wayne Goddard, Michael A. Henning