1,721,695 research outputs found

    Finite failure is and-compositional

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    We study some properties of SLD-trees related to finite failure. The main results are a theorem stating that the non-ground finite failure set is a correct and fully abstract semantics wrt finite failure and a second theorem stating that the complement of non-ground finite failure is and-compositional, i.e. that the finite failure behaviour of conjunctive goals can be derived from the finite failure behaviour of atomic goals. The proofs are based on two new lemmata which generalize to infinite derivations theorems which are valid for successful and finitely failed derivations

    G. Levi, Le Pouvoir au village. Histoire d'un exorciste dans le Piémont du xviie siècle

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    Abélès Marc. G. Levi, Le Pouvoir au village. Histoire d'un exorciste dans le Piémont du xviie siècle. In: L'Homme, 1991, tome 31 n°117. Etudes japonaises. Dieux, lieux, corps, choses, illusion. pp. 185-186

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    G. Levi della. Vida. — Le iscrizioni neopuniche della Tripolitana, extr. de la revue Libya, 2e année, n° II.

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    Cumont Franz. G. Levi della. Vida. — Le iscrizioni neopuniche della Tripolitana, extr. de la revue Libya, 2e année, n° II.. In: Syria. Tome 8 fascicule 4, 1927. p. 365

    Non Pair-Sharing and Freeness Analysis through Linear Refinement

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    Linear refinement is a technique for systematically constructing abstract domains for program analysis directly from a basic domain representing just the property of interest. This paper uses linear refinement to construct a domain for non pair-sharing and freeness analysis. The resulting domain is strictly more precise than the domain for sharing and freeness analysis defined by Jacobs and Langen. Moreover, it can be used for abstract compilation, while Jacobs and Langen's domain can only be used for abstract interpretation. We provide a representation of the domain, together with algorithms for the abstract operations

    G. Levi della. Vida. — Le iscrizioni neopuniche della Tripolitana, extr. de la revue Libya, 2e année, n° II.

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    Cumont Franz. G. Levi della. Vida. — Le iscrizioni neopuniche della Tripolitana, extr. de la revue Libya, 2e année, n° II.. In: Syria. Tome 8 fascicule 4, 1927. p. 365

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Abstract Interpretation of Prolog Programs

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    In this paper we propose a precise goal-independent abstract interpretation of Prolog programs. We deal with the control rules of Prolog and the cut operator. Moreover, we get a simple denotation for negation as finite failure. The abstract analysis is proposed both for computed answers analysis and for call patterns analysis. In both cases the abstract semantics is finitely computable
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