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Craig interpolants are widely used in program verification as a means of abstraction. In this paper, we (i) introduce Partial Variable Assignment Interpolants (PVAIs) as a generalization of Craig interpolants. A variable assignment focuses computed interpolants by restricting the set of clauses taken into account during interpolation. PVAIs can be for example employed in the context of DAG interpolation,...
We provide a general method for generating cut-free and/or analytic hyper sequent Gent Zen-type calculi for a variety of normal modal logics. The method applies to all modal logics characterized by Kripke frames, transitive Kripke frames, or symmetric Kripke frames satisfying some properties, given by first-order formulas of a certain simple form. This includes the logics KT, KD, S4, S5, K4D, K4.2,...
Sentiment (or opinionated) lexicon plays an important part in sentiment analysis (or opinion mining) tasks. With the popularity of Social Network platforms such as tweeter and microblog, net neologisms welcome the spring of development and popularity. With the blooming of net neologisms, it is quite necessary to identify new sentiment words and improve current sentiment lexicon. This paper proposes...
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