1NGRAMCONTEXT(1) User Commands NGRAMCONTEXT(1)
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6 ngramcontext - manual page for ngramcontext 1.3.4
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9 Generates a context set from an input LM.
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11 Usage: ngramcontext [--options] [in.fst] [out.fst]
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13 PROGRAM FLAGS:
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15 --bigram_threshold: type = double, default = 1.1
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17 Bin overfill to force a bigram context split --contexts: type =
18 int64, default = 1 Number of desired contexts
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20 LIBRARY FLAGS:
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22 Flags from: flags.cc
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24 --help: type = bool, default = false
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26 show usage information --helpshort: type = bool, default = false
27 show brief usage information --tmpdir: type = string, default =
28 "/tmp" temporary directory --v: type = int32, default = 0 ver‐
29 bosity level
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31 Flags from: fst.cc
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33 --fst_align: type = bool, default = false
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35 Write FST data aligned where appropriate --fst_default_cache_gc:
36 type = bool, default = true Enable garbage collection of cache
37 --fst_default_cache_gc_limit: type = int64, default = 1048576
38 Cache byte size that triggers garbage collection
39 --fst_read_mode: type = string, default = "read" Default file
40 reading mode for mappable files --fst_verify_properties: type =
41 bool, default = false Verify FST properties queried by TestProp‐
42 erties --save_relabel_ipairs: type = string, default = "" Save
43 input relabel pairs to file --save_relabel_opairs: type =
44 string, default = "" Save output relabel pairs to file
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46 Flags from: ngram-output.cc
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48 --end_symbol: type = string, default = "</s>"
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50 Class label for sentence end --start_symbol: type = string, de‐
51 fault = "<s>" Class label for sentence start
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53 Flags from: symbol-table.cc
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55 --fst_compat_symbols: type = bool, default = true
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57 Require symbol tables to match when appropriate --fst_field_sep‐
58 arator: type = string, default = " " Set of characters used
59 as a separator between printed fields
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61 Flags from: util.cc
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63 --fst_error_fatal: type = bool, default = true
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65 FST errors are fatal; o.w. return objects flagged as bad: e.g.,
66 FSTs: kError property set, FST weights: not a Member()
67 --ngram_error_fatal: type = bool, default = true NGram errors
68 are fatal if true; otherwise returns objects flagged as bad:
69 e.g., NGramModel::Error() is true
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71 Flags from: weight.cc
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73 --fst_weight_parentheses: type = string, default = ""
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75 Characters enclosing the first weight of a printed composite
76 weight (e.g., pair weight, tuple weight and derived classes) to
77 ensure proper I/O of nested composite weights; must have size 0
78 (none) or 2 (open and close parenthesis) --fst_weight_separator:
79 type = string, default = "," Character separator between printed
80 composite weights; must be a single character
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84ngramcontext 1.3.4 January 2018 NGRAMCONTEXT(1)