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SIAMDM
2002
15 years 4 days ago
2002
We present a new class of randomized approximation algorithms for unrelated parallel machine scheduling problems with the average weighted completion time objective. The key idea i...
94
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SIAMJO
2002
15 years 4 days ago
2002
Nonsmoothness pervades optimization, but the way it typically arises is highly structured. Nonsmooth behavior of an objective function is usually associated, locally, with an activ...
89
Voted
SIGIR
2002
ACM
15 years 4 days ago
2002
ACM
This work proposes a model for video retrieval based upon the inference network model. The document network is constructed using video metadata encoded using MPEG-7 and captures i...
120
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SIGIR
2002
ACM
15 years 4 days ago
2002
ACM
A novel method for simultaneous keyphrase extraction and generic text summarization is proposed by modeling text documents as weighted undirected and weighted bipartite graphs. Sp...
78
Voted
SIGMETRICS
2002
ACM
15 years 4 days ago
2002
ACM
It is well known that optimal server placement is NP-hard. We present an approximate model for the case when both clients and servers are dense, and propose a simple server alloca...