نتایج جستجو برای: subset

تعداد نتایج: 100145  

Fu Gui Shi Juan Li,

In this paper, the notion of $L$-convex fuzzy sublattices is introduced and their characterizations are given. Furthermore,  the notion of the degree to which an $L$-subset is an $L$-convex fuzzy sublattice is proposed and its some  characterizations are given. Besides, the $L$-convex fuzzy sublattice degrees of the homomorphic image and pre-image of an $L$-subset are studied. Finally, we obtai...

2014
Skyler Speakman Sriram Somanchi Edward McFowland Daniel B. Neill Skyler SPEAKMAN Sriram SOMANCHI Edward MCFOWLAND Daniel B. NEILL

Penalized Fast Subset Scanning Skyler Speakman, Sriram Somanchi, Edward McFowland III & Daniel B. Neill To cite this article: Skyler Speakman, Sriram Somanchi, Edward McFowland III & Daniel B. Neill (2016) Penalized Fast Subset Scanning, Journal of Computational and Graphical Statistics, 25:2, 382-404, DOI: 10.1080/10618600.2015.1029578 To link to this article: http://dx.doi.org/10.1080/1061860...

2007
Gregory Kucherov Laurent Noé Mikhail A. Roytberg

We study the pattern matching automaton introduced in [1] for the purpose of seed-based similarity search. We show that our definition provides a compact automaton, much smaller than the one obtained by applying the Aho-Corasick construction. We study properties of this automaton and present an efficient implementation of the automaton construction. We also present some experimental results and...

1991
Matthijs J. Coster Antoine Joux Brian A. LaMacchia Andrew M. Odlyzko Claus-Peter Schnorr

The general subset sum problem is NP-complete. However, there are two algorithms, one due to Brickell and the other to Lagarias and Odlyzko, which in polynomial time solve almost all subset sum problems of suuciently low density. Both methods rely on basis reduction algorithms to nd short non-zero vectors in special lattices. The Lagarias-Odlyzko algorithm would solve almost all subset sum prob...

2007
Bharat Jayaraman Kyonghee Moon

Subset-logic programs are built up of three kinds of program clauses: subset, equational, and relational clauses. Using these clauses, we can program solutions to a broad range of problems of interest in logic programming and deductive databases. In an earlier paper Jay92], we discussed the implementation of subset and equational program clauses. This paper substantially extends that work, and ...

2012
Katsuhiko Ishiguro Naonori Ueda Hiroshi Sawada

We propose a new probabilistic generative model for analyzing sparse and noisy pairwise relational data, such as friend-links on social network services and customer records in online shops. Real-world relational data often include a large portion of non-informative pairwise data entries. Many existing stochastic blockmodels suffer from these irrelevant data entries because of their rather simp...

2006
Mattias Johansson Gunnar Kreitz Fredrik Lindholm

This paper describes a method to convert stateless key revocation schemes based on the subset cover principle into stateful schemes. The main motivation is to reduce the bandwidth overhead to make broadcast encryption schemes more practical in network environments with limited bandwidth resources, such as cellular networks. This modification is not fully collusion-resistant. A concrete new sche...

Journal: :Inf. Process. Lett. 2011
Raphaël Clifford Alexandru Popa

Consider the following problem. Given n sets of sets A1, . . . , Au with elements over a universe E = {e1, . . . , en}, the goal is to select exactly one set from each of A1, . . . , Au in order to maximize the size of the intersection of the sets. In this paper we present two NP-Hardness proofs, the first via a direct reduction from 3-Sat. The second proof involves a gap-preserving reduction f...

2005
Shoham Ben-David Dana Fisman Sitvanit Ruah

Regular-LTL (RLTL), extends LTL with regular expressions, and it is the core of the IEEE standard temporal logic PSL. Safety formulas of RLTL, as well as of other temporal logics, are easier to verify than other formulas. This is because verification of safety formulas can be reduced to invariance checking using an auxiliary automaton recognizing violating prefixes. In this paper we define a sp...

2007
Johan van Benthem Joel Hamkins Dick de Jongh Eric Pacuit

To my father who taught me that " M9ntıq elmlerin elmidir " and to my mother with the deepest gratitude...

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