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Peer reviewedZhou, Lina; Zhang, Dongsong – Journal of the American Society for Information Science and Technology, 2003
Proposes a theoretical framework called NLPIR that integrates natural language processing (NLP) into information retrieval (IR) based on the assumption that there exists representation distance between queries and documents. Discusses problems in traditional keyword-based IR, including relevance, and describes some existing NLP techniques.…
Descriptors: Information Retrieval, Keywords, Natural Language Processing, Relevance (Information Retrieval)
Peer reviewedTam, A. M.; Leung, C. H. C. – Journal of the American Society for Information Science and Technology, 2001
Proposes a structure for natural language descriptions of the semantic content of visual materials that requires descriptions to be (modified) keywords, phrases, or simple sentences, with components that are grammatical relations common to many languages. This structure makes it easy to implement a collection's descriptions as a relational…
Descriptors: Databases, Indexing, Information Processing, Information Retrieval
Peer reviewedKim, Won; Wilbur, W. John – Journal of the American Society for Information Science and Technology, 2001
Presents three different statistical techniques for identifying content-bearing phrases within a natural language database. Describes results on the effectiveness of the scoring methods when applied to MEDLINE phrases, and how the three methods can be combined to improve performance. Processing results for an example document are provided.…
Descriptors: Data Processing, Databases, Document Delivery, Indexing
Peer reviewedWeeber, Marc; Klein, Henny; de Jong-van den Berg, Lolkje T. W.; Vos, Rein – Journal of the American Society for Information Science and Technology, 2001
Proposes a two-step model of discovery in which new scientific hypotheses can be generated and subsequently tested. Applying advanced natural language processing techniques to find biomedical concepts in text, the model is implemented in a versatile interactive discovery support tool. This tool is used to successfully simulate Don R. Swanson's…
Descriptors: Biomedicine, Discovery Processes, Information Retrieval, Information Systems
