Phramer - An Open-Source Statistical Phrase-Based Machine Translation Decoder ||| Project web page: http://www.phramer.org
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Phramer 1.0.1 (May 14, 2006) - Fixed bugs. Affected features: remote translation table, forced alignment. The output for decoding and MERT, using standard configuration, should be the same as for Phramer 1.0.0 - Added 2 more methods for executing the decoder at MERT training. Now there is pharaoh mode, that works with Pharaoh or Phramer plus Carmel (the default mode), the phramer-external mode, which works only with Phramer, but as an external code (different VM) and the phramer-internal mode, which executes the decoder within the same virtual machine and also caches the language models and the translation table internally) - Greatly improved the loading speed of the binary language models (4-5 times) - Added optimization for translation table loading, which works on sorted translation tables. The minimum requirement is that all entries that have the same foreign phrase f should be grouped in the translation table file. Activated by "sorted:" option in the configuration file (see ./data/phramer.fast.ini). Adds 5%-50% improvement (depeding on the percentage of pruned entries, as a consequence of the configuration options) - Added additional mode of loading translation tables - binary translation table, pre-pruned and sorted, that contains minimum ammount of information (only f and e phrases and the total probability, according to the configuration options) in single precision mode (4 bytes/number), serialized for space and deserialized at runtime. The application: low memory consumption, especially for interactive applications that cannot benefit from translation table pruning (based on the input sentences). Side effect: very short loading time compared with text-based translation tables, slight decrease in perfomance (estimated: 15-30% in regular applications). Requires org.phramer.tools.ConvertLM2Binary tool to generate the binary translation tables. The binary translation tables are reffered through "nio:binary_tt_file_mask" (see ./data/phramer.fast.ini). The memory requirements for the translation table drops by about 40-50%. - Speed improvements in decoding (less than 10%) - Other speed improvements in config loading - Added simple scoring/rescoring files (space-separated) support (-simple-sc parameter)
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