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CP
2007
Springer
13 years 11 months ago
Towards Robust CNF Encodings of Cardinality Constraints
Motivated by the performance improvements made to SAT solvers in recent years, a number of different encodings of constraints into SAT have been proposed. Concrete examples are th...
João P. Marques Silva, Inês Lynce
INFOCOM
2009
IEEE
14 years 16 hour ago
Identifying High Cardinality Internet Hosts
—The Internet host cardinality, defined as the number of distinct peers that an Internet host communicates with, is an important metric for profiling Internet hosts. Some examp...
Jing Cao, Yu Jin, Aiyou Chen, Tian Bu, Zhi-Li Zhan...
SAT
2009
Springer
124views Hardware» more  SAT 2009»
13 years 12 months ago
Cardinality Networks and Their Applications
We introduce Cardinality Networks, a new CNF encoding of cardinality constraints. It improves upon the previously existing encodings such as the sorting networks of [ES06] in that ...
Roberto Asín, Robert Nieuwenhuis, Albert Ol...
ICDE
2006
IEEE
201views Database» more  ICDE 2006»
14 years 6 months ago
Counting at Large: Efficient Cardinality Estimation in Internet-Scale Data Networks
Counting in general, and estimating the cardinality of (multi-) sets in particular, is highly desirable for a large variety of applications, representing a foundational block for ...
Nikos Ntarmos, Peter Triantafillou, Gerhard Weikum