The speed of many computations is limited not by the number of arithmetic operations but by the time it takes to move and rearrange data in the increasingly complicated memory hie...
This paper considers the problem of designing fast, approximate, combinatorial algorithms for multicommodity flows and other fractional packing problems. We provide a different ap...
It is known that there exists a PCP characterization of NP where the verifier makes 3 queries and has a onesided error that is bounded away from 1; and also that 2 queries do not ...
Venkatesan Guruswami, Daniel Lewin, Madhu Sudan, L...
A recommendation system tracks past actions of a group of users to make recommendations toindividualmembersofthe group. The growth ofcomputer-mediatedmarketingandcommerce has led ...
Ravi Kumar, Prabhakar Raghavan, Sridhar Rajagopala...