Download Advances in Artificial Intelligence: 24th Canadian by Eric Aaron, Juan Pablo Mendoza (auth.), Cory Butz, Pawan PDF

By Eric Aaron, Juan Pablo Mendoza (auth.), Cory Butz, Pawan Lingras (eds.)

This booklet constitutes the refereed lawsuits of the twenty fourth convention on man made Intelligence, Canadian AI 2011, held in St. John’s, Canada, in could 2011. The 23 revised complete papers offered including 22 revised brief papers and five papers from the graduate pupil symposium have been conscientiously reviewed and chosen from eighty one submissions. The papers disguise a huge variety of issues featuring unique paintings in all parts of man-made intelligence, both theoretical or applied.

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Extra info for Advances in Artificial Intelligence: 24th Canadian Conference on Artificial Intelligence, Canadian AI 2011, St. John’s, Canada, May 25-27, 2011. Proceedings

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Tn )[γ]} 2. P is t1 (¯ x) t2 (¯ x), where ∈ {=, <}: {(γ, ) | A |= t1 t2 [γ]} 3. P is an expansion predicate: {(γ, P (a1 , . . an )) | A |= (t1 = a1 , . . tn = an )[γ]} Terms involving aggregate operators, provided the formula argument to that operator contains only instance predicates and functions with a given interpretation, can also be evaluated out in this way. In example 1, this extension enables us to ground A6 . 4 Answers to Terms Terms involving expansion functions or predicates, including aggregate terms involving expansion predicates, can only be evaluated with respect to a particular interpretation of those expansion predicates/functions.

System Architecture 4 Named Entity Recognition (NER) NER is an integral part of any IE system as it identifies NE’s present in a text. Presently many NER tools are developed for various domains as there is a lot of research being done in the area of NER spreading across various languages, domains and textual genres. In our work, we used biomedical data as biomedical NER is generally considered to be more difficult as compared to other domains like newswire text. There are huge numbers of NE’s in the biomedical domain and the new ones are consistently added [32] which means that neither dictionaries nor training data approach will be sufficiently comprehensive for NER task.

It is a central notion in databases. In extended X-relations, introduced in [4], each tuple γ is associated with a formula ψ. For convenience, we use and ⊥ as propositional formulas which are always true and, false, respectively. Definition 3 (extended X-relation; function δR ). Let A be a domain, and X a tuple of variables with |X| = k. t. 1 γ : X → A, and 2 ψ is a formula, and 3 if (γ, ψ) ∈ R and (γ, ψ ) ∈ R then ψ = ψ . The function δR represented by R is a mapping from k-tuples γ of elements of the domain A to formulas, defined by: δR (γ) = ψ ⊥ if (γ, ψ) ∈ R, if there is no pair (γ, ψ) ∈ R.

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