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Combining different type coercion components for deferred type evaluation

A technique of type coercion and type applied in the domain of question answering (QA) systems

Active Publication Date: 2014-09-17
IBM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The systems and methods herein address the coverage problem of individual type coercion components

Method used

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  • Combining different type coercion components for deferred type evaluation
  • Combining different type coercion components for deferred type evaluation
  • Combining different type coercion components for deferred type evaluation

Examples

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Embodiment Construction

[0023] It should be readily understood that the systems and methods of the present disclosure, as generally described and illustrated in the drawings herein, may be arranged and designed in various different configurations than those described herein. Accordingly, the following detailed description of these systems and methods, as represented in the accompanying drawings, is not intended to limit the scope, which is defined by the appended claims, but is merely representative of selected systems and methods. The following description is by way of example only, and merely illustrates certain concepts of the systems and methods disclosed and claimed herein.

[0024] As referred to herein, the words "question" and "query" and their expansions are used interchangeably and refer to the same concept, a request for information. Such requests are usually expressed as interrogative sentences, but they can also be expressed in other forms, such as declarative sentences providing a descr...

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Abstract

In a method of answering questions, a question is received, a question LAT is determined, and a candidate answer to the question is identified. Preliminary types for the candidate answer are determined using first components to produce the preliminary types. Each of the first components produces a preliminary type using different methods. A first type-score representing a degree of match between the preliminary type and the question LAT is produced. Each preliminary type and each first type-score is evaluated using second components. Each of the second components produces a second score based on a combination of the first type-score and a measure of degree that the preliminary type matches the question LAT. The second components use different methods to produce the second score. A final score representing a degree of confidence that the candidate answer matches the question LAT is calculated based on the second score.

Description

technical field [0001] The present disclosure relates to question answering (QA) systems, and more particularly to determining whether a candidate answer has an appropriate lexical answer type. Background technique [0002] U.S. Patent Application Serial No. 12 / 126,642, entitled "System and Method for Providing Question and Answers with Deferred Type Evaluation," (filed May 23, 2008, The concept of delay type evaluation is explained in US Patent Application Publication No. US2009 / 0292687A1, published as US Patent No. 8,332,394B2, the contents of which are hereby incorporated by reference. [0003] In previously filed U.S. Patent Application No. 13 / 239,165 (September 2011) entitled "Providing Question and Answers with Deferred Type Evaluation Using Text with Limited Structure" The concept of delayed type evaluation is further discussed in US Patent Application Publication No. US2012 / 0078902A1, filed on March 21, the contents of which are hereby incorporated by reference. C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG09B7/02G06N5/00
Inventor S·巴格希J·J·范D·A·弗鲁茨A·A·卡利安普J·W·默多克四世C·A·韦尔蒂
Owner IBM CORP
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