Download Real-World Reasoning: Toward Scalable, Uncertain by Ben Goertzel, Nil Geisweiller, Lucio Coelho, Predrag PDF

By Ben Goertzel, Nil Geisweiller, Lucio Coelho, Predrag Janicic, Cassio Pennachin

The basic challenge addressed during this publication is a big and significant one: easy methods to usefully take care of large storehouses of advanced information regarding real-world occasions. each one of the foremost modes of interacting with such storehouses – querying, information mining, info research – is addressed by way of present applied sciences simply in very constrained and unsatisfactory methods. The effect of an answer to this challenge will be large and pervasive, because the domain names of human pursuit to which such storehouses are acutely appropriate is a number of and swiftly starting to be. eventually, we provide a extra particular remedy of 1 capability answer with this category, according to our earlier paintings with the Probabilistic good judgment Networks (PLN) formalism. We convey how PLN can be utilized to hold out realworld reasoning, via a few sensible examples of reasoning concerning human actions inreal-world situations.

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By Ben Goertzel, Nil Geisweiller, Lucio Coelho, Predrag Janicic, Cassio Pennachin

The basic challenge addressed during this publication is a big and significant one: easy methods to usefully take care of large storehouses of advanced information regarding real-world occasions. each one of the foremost modes of interacting with such storehouses – querying, information mining, info research – is addressed by way of present applied sciences simply in very constrained and unsatisfactory methods. The effect of an answer to this challenge will be large and pervasive, because the domain names of human pursuit to which such storehouses are acutely appropriate is a number of and swiftly starting to be. eventually, we provide a extra particular remedy of 1 capability answer with this category, according to our earlier paintings with the Probabilistic good judgment Networks (PLN) formalism. We convey how PLN can be utilized to hold out realworld reasoning, via a few sensible examples of reasoning concerning human actions inreal-world situations.

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Read or Download Real-World Reasoning: Toward Scalable, Uncertain Spatiotemporal, Contextual and Causal Inference PDF

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Additional resources for Real-World Reasoning: Toward Scalable, Uncertain Spatiotemporal, Contextual and Causal Inference

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Mathematically, we say that each such theory has a certain “signature,” consisting of specific sets Σ and Π of function and predicate symbol (with certain arities) extending the basic ones used in predicate logic. Beside the new symbols, to create a theory one has to provide a list of axioms (in the described language). ) as additional axioms of the system. , F is a theorem of T). T F to denote that the formula F can be derived in the theory T Knowledge Representation Using Formal Logic 37 As an example within mathematics, the branch of math called “group theory” can be constructed easily as an extension of “pure” predicate logic.

Firstly, syntax. Let Σ be a finite or a countable set, its elements will be called function symbols. Let Π be a finite or a countable set, its elements will be called predicate symbols. Let arity be a function that maps elements of Σ and Π to natural numbers. The triple Knowledge Representation Using Formal Logic 33 (Σ, Π, arity) is called a signature. The set of terms over a signature (Σ, Π, arity) and a countable set of variables V is defined in the following way: • all elements of V are terms; • if f is a function symbol and arity(f) = 0, then f is a term; • if f is a function symbol and arity(f) = n, and if t1 , .

4 Decidability and Decision Procedures In this section we briefly introduce a distinction that may be important in practical large-scale logic-based systems: the distinction between proof procedures and decision procedures. Put simply: • a proof procedure finds a specific series of steps for getting to a certain conclusion from the axioms of a logical theory • a decision procedure checks whether a certain conclusion can be obtained from the axioms of a logical theory, without necessarily directly supplying the proof (the series of steps) In practical cases, given the outcome of a decision procedure, plus knowledge of the algorithm used to carry out the decision procedure, it is in principle possible to construct a proof.

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