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{
    "pk": 32253,
    "title": "A Computational Theory of Vocabulary Expansion",
    "subtitle": null,
    "abstract": "As part of an interdisciplinary project to develop a computational cognitive model of a reader of narrative text, we are developing a computational theory of how natural-language-understanding systems can automatically expand their vocabulary by determining from context the meaning of words that are unknown, misunderstood, or used in a new sense. 'Context' includes surrounding text, grammatical information, and background knowledge, but no external sources. Our thesis is that the meaning of such a word can be determined from context, can be revised upon further encounters with the word, \"<i>converges</i>\" to a dictionary-like definition if enough context has been provided and there have been enough exposures to the word, and eventually \"<i>settles down</i>\" to a \"<i>steady state</i>\" that is always subject to revision upon further encounters with the word. The system is being implemented in the SNePS knowledge-representation and reasoning system.",
    "language": "eng",
    "license": {
        "name": "",
        "short_name": "",
        "text": null,
        "url": ""
    },
    "keywords": [],
    "section": "Long Papers",
    "is_remote": true,
    "remote_url": "https://escholarship.org/uc/item/6t0254gr",
    "frozenauthors": [
        {
            "first_name": "Karen",
            "middle_name": "",
            "last_name": "Ehrlich",
            "name_suffix": "",
            "institution": "Department of Psychology, University of Plymouth, Drake Circus",
            "department": ""
        },
        {
            "first_name": "William",
            "middle_name": "J.",
            "last_name": "Rapaport",
            "name_suffix": "",
            "institution": "Department of Psychology, University of Plymouth, Drake Circus",
            "department": ""
        }
    ],
    "date_submitted": null,
    "date_accepted": null,
    "date_published": "1997-01-01T18:00:00Z",
    "render_galley": null,
    "galleys": [
        {
            "label": "PDF",
            "type": "pdf",
            "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/32253/galley/23318/download/"
        }
    ]
}