{"id":151564,"date":"2004-07-01T00:00:00","date_gmt":"2004-07-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/improved-left-corner-chart-parsing-for-large-context-free-grammars-revised-version\/"},"modified":"2018-10-16T21:09:56","modified_gmt":"2018-10-17T04:09:56","slug":"improved-left-corner-chart-parsing-for-large-context-free-grammars-revised-version","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/improved-left-corner-chart-parsing-for-large-context-free-grammars-revised-version\/","title":{"rendered":"Improved Left-Corner Chart Parsing for Large Context-Free Grammars (Revised Version)"},"content":{"rendered":"<div class=\"asset-content\">\n<p>We develop an improved form of left-corner chart parsing for large context-free grammars, introducing improvements that result in significant speed-ups compared to previously-known variants of left-corner parsing. We also compare our method to several other major parsing approaches, and find that our improved left-corner parsing method outperforms each of these across a range of grammars. Finally, we also describe a new technique for minimizing the extra information needed to efficiently recover parses from the data structures built in the course of parsing.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We develop an improved form of left-corner chart parsing for large context-free grammars, introducing improvements that result in significant speed-ups compared to previously-known variants of left-corner parsing. We also compare our method to several other major parsing approaches, and find that our improved left-corner parsing method outperforms each of these across a range of grammars. 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