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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Seneff, S. |
| Copyright Year | 1989 |
| Description | Author affiliation: Lab. for Comput. Sci., MIT, Cambridge, MA, USA (Seneff, S.) |
| Abstract | A natural language system, TINA, which integrates key ideas from context-free grammars, augmented transition networks (ATNs), and unification grammars has been developed. The parser uses a best-first search strategy, with probability assignments on all arcs obtained automatically from a set of example sentences. An initial context-free grammar, derived from the example sentences, is converted to an implicit probabilistic network structure. Control includes both top-down and bottom-up cycles, and key parameters are passed among nodes to deal with long-distance movement and agreement constraints. The probabilities provide a natural mechanism for exploring more common grammatical constructions first. Arc probabilities reduce test-set perplexity sixfold. A strategy for dealing with movement that can handle nested and chained gaps efficiently and rejects crossed gaps is introduced.< |
| Starting Page | 711 |
| Ending Page | 714 |
| File Size | 381397 |
| Page Count | 4 |
| File Format | |
| ISSN | 15206149 |
| DOI | 10.1109/ICASSP.1989.266526 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1989-05-23 |
| Publisher Place | UK |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Filters Natural languages Speech recognition Laboratories Automatic control Strain control Testing Contracts Monitoring Runtime |
| Content Type | Text |
| Resource Type | Article |
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