Descriptor
| Automatic Indexing | 3 |
| Information Retrieval | 3 |
| Natural Language Processing | 3 |
| Information Systems | 2 |
| Online Systems | 2 |
| Comparative Analysis | 1 |
| Concept Mapping | 1 |
| Database Management Systems | 1 |
| Dictionaries | 1 |
| Documentation | 1 |
| Evaluation | 1 |
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Publication Type
| Journal Articles | 3 |
| Reports - Descriptive | 2 |
| Reports - Research | 1 |
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Peer reviewedGreen, Rebecca – Journal of Documentation, 1995
Presents criteria for an effective syntagmatic relator system and describes how conceptual syntagmatic relationships are expressed in natural language, commenting on the adequacy of such expressions for document retrieval systems. Only one type of expression, a gestalt structure, represented as a frame, conforms to the criteria. (Author/JKP)
Descriptors: Automatic Indexing, Comparative Analysis, Documentation, Indexing
Peer reviewedSilvester, June P.; And Others – Information Processing and Management, 1994
Describes the National Aeronautics and Space Administration (NASA) Lexical Dictionary (NLD), a machine-aided indexing system used online at the NASA Center for AeroSpace Information (CASI). The functions of NLD system components are described in detail, and production and quality benefits resulting from machine-aided indexing at CASI are…
Descriptors: Automatic Indexing, Database Management Systems, Dictionaries, Evaluation
Feldman, Susan – Searcher, 2000
Discusses information retrieval systems and the need to have them adapt to user needs, integrate information in any format, reveal patterns and trends in information, and answer questions. Topics include statistics and probability; natural language processing; intelligent agents; concept mapping; machine-aided indexing; text mining; filtering;…
Descriptors: Automatic Indexing, Concept Mapping, Information Retrieval, Information Systems
