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Advances in intelligent systems

Flavia Cristina Bernardini, Valeria Delisandra Feltrim, Dr Alexandre Plastino, Prof Aurora Pozo

  1. Research

    Evaluation of linear relaxations in Ad Network optimization for online marketing

    Ad Networks connect advertisers to websites that want to host advertisements. When users request websites, the Ad Network decides which ad to send so as to maximize the number of ads that are clicked by users....

    Valdinei Freire, Flávio Sales Truzzi, Anna Helena Reali Costa and Fabio Gagliardi Cozman

    Journal of the Brazilian Computer Society 2015 21:13

    Published on: 23 July 2015

  2. Research

    Generalized probabilistic satisfiability through integer programming

    This paper studies the generalized probabilistic satisfiability (GPSAT) problem, where the probabilistic satisfiability (PSAT) problem is extended by allowing Boolean combinations of probabilistic assertions a...

    Glauber De Bona, Fabio G. Cozman and Marcelo Finger

    Journal of the Brazilian Computer Society 2015 21:11

    Published on: 15 July 2015

  3. Research

    Evaluation of cutoff policies for term extraction

    This paper presents a policy to choose cutoff points to identify potentially relevant terms in a given domain. Term extraction methods usually generate term lists ordered according to a relevance criteria, and...

    Lucelene Lopes and Renata Vieira

    Journal of the Brazilian Computer Society 2015 21:9

    Published on: 14 July 2015

  4. Research

    Searching contexts in paraconsistent rough description logic

    Query refinement is an interactive process of query modification used to increase or decrease the scope of search results in databases or ontologies.

    Henrique Viana, João Alcântara and Ana Teresa Martins

    Journal of the Brazilian Computer Society 2015 21:7

    Published on: 7 July 2015

  5. Research

    Reachability-based model reduction for Markov decision process

    This paper presents how to improve model reduction for Markov decision process (MDP), a technique that generates equivalent MDPs that can be smaller than the original MDP. In order to improve the current state...

    Felipe M Santos, Leliane N Barros and Felipe W Trevizan

    Journal of the Brazilian Computer Society 2015 21:5

    Published on: 27 May 2015

  6. Research

    Open information extraction based on lexical semantics

    Open Information Extraction (Open IE) aims to obtain not predefined, domain-independent relations from text. This article introduces the Open IE research field, thoroughly discussing the main ideas and systems...

    Clarissa Castellã Xavier, Vera Lúcia Strube de Lima and Marlo Souza

    Journal of the Brazilian Computer Society 2015 21:4

    Published on: 6 May 2015

  7. Research

    An open-source rule-based syllabification tool for Brazilian Portuguese

    The automatic syllabification process is an essential prerequisite for speech synthesis systems. However, the task is not trivial, and several techniques have been adopted over the last decade. Furthermore, wh...

    Nelson Neto, Willian Rocha and Gleidson Sousa

    Journal of the Brazilian Computer Society 2015 21:1

    Published on: 28 January 2015