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124
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DM
2011
14 years 6 months ago
2011
Let G be the set of finite graphs whose vertices belong to some fixed countable set, and let ≡ be an equivalence relation on G. By the strengthening of ≡ we mean an equivalen...
AAAI
2006
15 years 1 months ago
2006
Clustering under constraints is a recent innovation in the artificial intelligence community that has yielded significant practical benefit. However, recent work has shown that fo...
CIMCA
2005
IEEE
15 years 5 months ago
2005
IEEE
We present some proposals to approximately solve a period vehicle routing problem used to model the extraction of oil from a set of onshore oil wells in Brazil. This problem diffe...
IWPEC
2004
Springer
15 years 5 months ago
2004
Springer
Abstract. We explore the effects of using graph width metrics as restrictions on the input to online problems. It seems natural to suppose that, for graphs having some form of bou...
137
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SIGMOD
2010
ACM
14 years 10 months ago
2010
ACM
There are many database applications that require users to coordinate and communicate. Friends want to coordinate travel plans, students want to jointly enroll in the same set of ...