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FOCS
2003
IEEE
14 years 1 months ago
List-Decoding Using The XOR Lemma
We show that Yao’s XOR Lemma, and its essentially equivalent rephrasing as a Direct Product Lemma, can be re-interpreted as a way of obtaining error-correcting codes with good l...
Luca Trevisan
ATMOS
2007
152views Optimization» more  ATMOS 2007»
13 years 9 months ago
Solution of the Train Platforming Problem
In this paper we study a general formulation of the train platforming problem, which contains as special cases all the versions previously considered in the literature as well as a...
Alberto Caprara, Laura Galli, Paolo Toth
SODA
2007
ACM
106views Algorithms» more  SODA 2007»
13 years 9 months ago
Embedding metrics into ultrametrics and graphs into spanning trees with constant average distortion
This paper addresses the basic question of how well can a tree approximate distances of a metric space or a graph. Given a graph, the problem of constructing a spanning tree in a ...
Ittai Abraham, Yair Bartal, Ofer Neiman
JCP
2007
122views more  JCP 2007»
13 years 8 months ago
Fast Information Retrieval in a Self-Organising P2P Network
— In this paper we present a formal description of PROSA, a P2P resource management system heavily inspired by social networks. Social networks have been deeply studied in the la...
Vincenza Carchiolo, Michele Malgeri, Giuseppe Mang...
PVLDB
2011
13 years 3 months ago
Personalized Social Recommendations - Accurate or Private?
With the recent surge of social networks such as Facebook, new forms of recommendations have become possible – recommendations that rely on one’s social connections in order t...
Ashwin Machanavajjhala, Aleksandra Korolova, Atish...