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» On Clustering Using Random Walks
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WWW
2008
ACM
14 years 8 months ago
Trust-based recommendation systems: an axiomatic approach
High-quality, personalized recommendations are a key feature in many online systems. Since these systems often have explicit knowledge of social network structures, the recommenda...
Reid Andersen, Christian Borgs, Jennifer T. Chayes...
STOC
2009
ACM
181views Algorithms» more  STOC 2009»
14 years 8 months ago
The detectability lemma and quantum gap amplification
The quantum analog of a constraint satisfaction problem is a sum of local Hamiltonians - each (term of the) Hamiltonian specifies a local constraint whose violation contributes to...
Dorit Aharonov, Itai Arad, Zeph Landau, Umesh V. V...
SIGMOD
2005
ACM
77views Database» more  SIGMOD 2005»
14 years 7 months ago
On Joining and Caching Stochastic Streams
We consider the problem of joining data streams using limited cache memory, with the goal of producing as many result tuples as possible from the cache. Many cache replacement heu...
Jun Yang 0001, Junyi Xie, Yuguo Chen
SRDS
2006
IEEE
14 years 1 months ago
Call Availability Prediction in a Telecommunication System: A Data Driven Empirical Approach
Availability prediction in a telecommunication system plays a crucial role in its management, either by alerting the operator to potential failures or by proactively initiating pr...
Günther A. Hoffmann, Miroslaw Malek
SPAA
2006
ACM
14 years 1 months ago
Semi-oblivious routing
We initiate the study of semi-oblivious routing, a relaxation of oblivious routing which is first introduced by R¨acke and led to many subsequent improvements and applications. ...
Mohammad Taghi Hajiaghayi, Robert D. Kleinberg, To...