 kr.angelov
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9b2487243e
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now we store the state instead of the offset for every continuation in the chart for the statistical parser
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2012-11-12 14:04:52 +00:00 |
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kr.angelov
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c28056c4e5
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in the statistical parser: move the outside probability from the parse items to their continuation. this makes the value slot shared between many items
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2012-11-12 13:43:43 +00:00 |
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kr.angelov
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56f3ff8202
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small refactoring in the C runtime
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2012-11-12 13:05:35 +00:00 |
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kr.angelov
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cce22a7f7a
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use size_t consistently as the type for constituent indices in the C runtime
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2012-11-12 12:51:27 +00:00 |
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kr.angelov
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c679b08b38
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use prob_t instead of float in a few places
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2012-10-29 08:52:56 +00:00 |
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kr.angelov
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118333eee8
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forgot to add one #ifdef
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2012-10-25 18:37:22 +00:00 |
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kr.angelov
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d185938952
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a major refactoring in the robust parser: bottom-up filtering and garbage collection for the chart
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2012-10-25 14:42:53 +00:00 |
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kr.angelov
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bf49f3c246
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now the meta probability for a category is explicitly specified in the statistical model instead of computed internally. this avoids rounding errors while computing the sum of a large number of small values.
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2012-09-24 09:37:21 +00:00 |
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kr.angelov
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8b28b89ffc
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in the robust parser we don't have to care about trees which yeld empty strings. this makes the parser a lot faster
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2012-09-24 09:30:20 +00:00 |
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kr.angelov
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a307ed6c75
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the C runtime now has a type prob_t which is used only for probability values
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2012-09-18 09:18:48 +00:00 |
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kr.angelov
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86b5ec7447
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bugfix in the C parser
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2012-09-06 14:52:19 +00:00 |
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kr.angelov
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3ad5493758
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Use a separated tag for meta productions in the robust parser. This cleans up the code a lot
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2012-06-13 05:49:30 +00:00 |
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kr.angelov
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c9c5675e1d
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now there is a limit of 2000000 items in the chart of the robust parser. This prevents from explosion in the memory size but it will also prevent us from parsing some sentences.
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2012-06-12 11:30:01 +00:00 |
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kr.angelov
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b27a440ef3
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now the robust parser is purely top-down and the meta rules compete on a fair basis with the grammar rules
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2012-06-12 09:29:51 +00:00 |
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kr.angelov
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06f9965d27
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the viterbi probability for the epsilon categories is now updated properly
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2012-05-25 07:30:35 +00:00 |
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kr.angelov
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f4c17cb7aa
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another attempt to port the robust parser to MacOS
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2012-05-16 15:18:44 +00:00 |
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kr.angelov
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a6800fc0da
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a new unbiased statistical parser. it is still far from perfect use it on your own risk.
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2012-05-08 12:13:28 +00:00 |
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kr.angelov
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931066f6fc
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yet another fix for parsing literals
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2012-04-18 15:50:55 +00:00 |
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kr.angelov
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17bc8e5c89
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some fixes in the robust parser and a new API for literals
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2012-04-12 06:55:25 +00:00 |
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kr.angelov
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6644d93ec2
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simple cleanup in the robust parser
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2012-04-02 19:01:18 +00:00 |
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kr.angelov
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230f309317
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libpgf: a new implementation for literals which also allows custom literals. the same mechanism is now used for the metavariables
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2012-03-12 14:25:51 +00:00 |
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kr.angelov
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1726995921
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libpgf: added simple lexer
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2012-03-09 09:14:44 +00:00 |
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kr.angelov
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ed5de8335b
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libpgf: implementation for built in literal categories
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2012-03-07 16:39:29 +00:00 |
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kr.angelov
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96493c274b
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libpgf: simple fix in the parser debugger
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2012-03-07 12:23:07 +00:00 |
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kr.angelov
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a96da30489
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libpgf: two APIs - one for finding all parse results and another for finding the best parse result
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2012-03-07 11:00:17 +00:00 |
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kr.angelov
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0e90d1ba1f
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libpgf: now all concrete functions and categories are explicitly linked to their abstract counter parts
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2012-03-05 12:59:31 +00:00 |
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kr.angelov
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4d1b0859d0
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libpgf: preliminary version for the statistical ranking. we use naive statistical model with random weight for the meta variables.
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2012-03-02 19:25:01 +00:00 |
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kr.angelov
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e31c883075
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libpgf: the first prototype for the robust parser
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2012-02-29 14:43:08 +00:00 |
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kr.angelov
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5fa1418194
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libpgf: another fix in the parser debugger
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2012-02-28 16:37:12 +00:00 |
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kr.angelov
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dcbeb63849
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libpgf: fix in the parser debugger
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2012-02-28 13:12:38 +00:00 |
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kr.angelov
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686fcca9a4
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libpgf: pretty printing for expressions with metavaraibles
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2012-02-27 13:50:35 +00:00 |
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kr.angelov
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667ca8e5f7
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libpgf: fix in pgf_read_into_map
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2012-02-24 15:15:07 +00:00 |
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kr.angelov
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1d239ab567
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libpgf: simple fix in the grammar printer and the reader
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2012-02-24 13:52:21 +00:00 |
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kr.angelov
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b99fa6aa9a
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libpgf: now we have both complete bottom up index for robust parsing and fast lexical lookup from the same index
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2012-02-22 21:27:54 +00:00 |
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kr.angelov
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42410f80d2
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libpgf: two small fixes in the parser debugger
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2012-02-22 14:06:49 +00:00 |
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kr.angelov
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786bf883b7
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libpgf: the map curr_lindefs must be allocated from a temporary pool
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2012-02-22 08:49:08 +00:00 |
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kr.angelov
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7ddd0d5f3e
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libpgf: added index for fast lexicon lookup. Still not perfect
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2012-02-21 21:17:50 +00:00 |
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kr.angelov
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a55a224dce
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libpgf: now the debugging mode for the parser is available only with compilation option.
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2012-02-18 19:30:16 +00:00 |
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kr.angelov
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5259be92e3
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libpgf: remove the now redundant field extra_ccats in PgfConcr
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2012-02-18 16:25:53 +00:00 |
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kr.angelov
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47e5e8c966
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libpgf: now the linearization index is created during the grammar loading which also makes the types PgfLzr and PgfParser redundant.
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2012-02-18 16:22:40 +00:00 |
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kr.angelov
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aed7cc429a
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libpgf: simplify the loading of PgfCncCat
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2012-02-17 14:26:08 +00:00 |
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kr.angelov
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4f8ad8c23f
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libpgf: added printer.c
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2012-02-17 14:11:29 +00:00 |
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kr.angelov
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6f0795d8a3
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libpgf: switch to using callbacks and lazy prediction in the parser. this reduce the parsing time from 11 sec down to 3 sec.
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2012-01-26 12:32:26 +00:00 |
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kr.angelov
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a2414bc625
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libpgf: use a temporal pool for allocating the arrays in the continuation map of the parser
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2012-01-26 09:03:08 +00:00 |
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kr.angelov
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8256750599
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libpgf: fix a warning in reader.c
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2012-01-26 08:58:23 +00:00 |
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kr.angelov
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58de345f99
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libpgf: few fixes to make the loading of grammars with def rules possible
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2012-01-24 14:47:11 +00:00 |
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kr.angelov
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acc4f352af
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libpgf: extra_ccat is now redundant and was removed
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2012-01-23 19:47:08 +00:00 |
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kr.angelov
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5ccd75c8b9
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libpgf: debugging framework for the parser
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2012-01-23 15:49:29 +00:00 |
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kr.angelov
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fcd2c2905e
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libpgf: the concrete categories were allocated from the temporary pool
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2012-01-23 13:43:17 +00:00 |
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kr.angelov
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4e4881dba5
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libpgf: printing of literals and flags
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2012-01-23 10:17:20 +00:00 |
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