3 results about "Coreference" patented technology

This invention relates to the field of natural language processing technology and discloses a method for resolving referential inconsistencies across long texts in cross-dialogue contexts. The method includes: segmenting the long text into blocks and vectorizing it to form a queryable vector index set; constructing a hybrid label and semantic index by combining a business entity dictionary and historical weakly supervised signals to generate a candidate entity set; inputting the candidate entity set and block summaries into a dual-channel scoring model, where the first channel uses a zero-shot common-reference classifier to generate a probability score, and the second channel is calibrated based on business rules; weighting and fusing the two to generate the final matching score for candidate entity pairs; constructing a weighted entity graph and applying the maximum spanning tree algorithm to solve for the global preliminary referential chain structure; correcting and filling in conflicting entities appearing in the global preliminary referential chain structure by combining entity type, block summary, and context vector information to form a global referential chain set. This invention has the advantages of improving global consistency and accuracy.

The application discloses a text analysis method and device, a storage medium and a program product, relates to the technical field of artificial intelligence, and comprises the following steps: performing character mention (character proper noun, third person pronoun and character generic phrase) detection on a target text, performing coreference resolution on the detected character mention to determine character mentions that point to the same role; for each quotation in the target text, identifying whether the quotation belongs to dialogue content based on a text sequence containing the quotation and context before and after the quotation, and identifying the speaker and the listener of the quotation when the quotation belongs to the dialogue content; if the quotation belongs to the dialogue content, identifying the first person pronoun and the second person pronoun in the quotation, pointing the identified first person pronoun to the same role as the speaker of the quotation, and pointing the identified second person pronoun to the same role as the listener of the quotation. The application improves the accuracy of role identification.

A coreference resolution method, and a method and apparatus for training a coreference resolution model are provided. The coreference resolution method includes: acquiring a current utterance to be processed; inputting the current utterance into a coreference resolution detection sub-model to obtain a predicted insertion position where there is a semantic absence of the current utterance and / or a predicted deletion position of a word to be replaced; and inputting the predicted insertion position and / or the predicted deletion position of the current utterance, and a historical conversation corresponding to the current utterance into a resolution completion sub-model of the coreference resolution model to obtain a predicted position in the historical utterance of a word corresponding to the semantic absence at the predicted insertion position and / or a predicted position in the historical utterance of a replacement word corresponding to the word to be replaced at the predicted deletion position.