Hiranmai Adibhatla


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2023

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Fine-grained Contract NER using instruction based mode
Hiranmai Adibhatla | Pavan Baswani | Manish Shrivastava
Proceedings of the 37th Pacific Asia Conference on Language, Information and Computation

2022

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SConE:Contextual Relevance based Significant CompoNent Extraction from Contracts
Hiranmai Adibhatla | Manish Shrivastava
Proceedings of the 19th International Conference on Natural Language Processing (ICON)

Automatic extraction of “significant” components of a legal contract, has the potential to simplify the end user’s comprehension. In essence, “significant” pieces of information have 1) information pertaining to material/practical details about a specific contract and 2) information that is novel or comes as a “surprise” for a specific type of contract. It indicates that the significance of a component may be defined at an individual contract level and at a contract-type level. A component, sentence, or paragraph, may be considered significant at a contract level if it contains contract-specific information (CSI), like names, dates, or currency terms. At a contract-type level, components that deviate significantly from the norm for the type may be considered significant (type-specific information (TSI)). In this paper, we present approaches to extract “significant” components from a contract at both these levels. We attempt to do this by identifying patterns in a pool of documents of the same kind. Consequently, in our approach, the solution is formulated in two parts: identifying CSI using a BERT-based contract-specific information extractor and identifying TSI by scoring sentences in a contract for their likelihood. In this paper, we even describe the annotated corpus of contract documents that we created as a first step toward the development of such a language-processing system. We also release a dataset of contract samples containing sentences belonging to CSI and TSI.