/etc/presage.xml is in libpresage-data 0.9.1-2.1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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<Presage>
<PredictorRegistry>
<LOGGER>ERROR</LOGGER>
<!-- PREDICTORS
Space separated list of predictors to use to generate predictions
-->
<PREDICTORS>DefaultAbbreviationExpansionPredictor DefaultSmoothedNgramPredictor UserSmoothedNgramPredictor DefaultRecencyPredictor</PREDICTORS>
</PredictorRegistry>
<ContextTracker>
<LOGGER>ERROR</LOGGER>
<!-- SLIDING_WINDOW_SIZE
Size of buffer used by context tracker to detect context changes
-->
<SLIDING_WINDOW_SIZE>80</SLIDING_WINDOW_SIZE>
<!-- LOWERCASE_MODE
Instruct context tracker to track text as lowercase
-->
<LOWERCASE_MODE>yes</LOWERCASE_MODE>
<!-- ONLINE_LEARNING
Controls presage online machine learning feature.
Presage is context-aware and capable of dynamic online learning.
Setting this to yes/true will enable online learning mode.
Setting this to no/false will disable online learning mode.
When online learning mode is disabled, it is still
possible to instruct presage to learn through its API.
-->
<ONLINE_LEARNING>yes</ONLINE_LEARNING>
</ContextTracker>
<Selector>
<LOGGER>ERROR</LOGGER>
<!-- SUGGESTIONS
Controls how many suggestions are returned in each prediction.
-->
<SUGGESTIONS>6</SUGGESTIONS>
<!-- REPEAT_SUGGESTIONS
Allow the same suggestion to be offered in subsequent
predictions, even if no context change has been detected.
-->
<REPEAT_SUGGESTIONS>no</REPEAT_SUGGESTIONS>
<!-- GREEDY_SUGGESTION_THRESHOLD
Select only tokens whose completion length is greater than
the specified greedy suggestion threshold.
i.e. If this option is set to 2 and the current prefix is
"cu", then the word "cub" will not offered as a
suggestion, because the completion's length is only one
character long. Tokens "curb" or "cube" or "cubicle" or
"cucumber" will however be offered, because these
words' completions are at least 2 characters long.
-->
<GREEDY_SUGGESTION_THRESHOLD>0</GREEDY_SUGGESTION_THRESHOLD>
</Selector>
<PredictorActivator>
<LOGGER>ERROR</LOGGER>
<!-- PREDICT_TIME
Maximum time allowed for predictors to return their prediction.
-->
<PREDICT_TIME>1000</PREDICT_TIME>
<!-- MAX_PARTIAL_PREDICTION_SIZE
Desired size of each prediction prior to combination phase.
-->
<MAX_PARTIAL_PREDICTION_SIZE>60</MAX_PARTIAL_PREDICTION_SIZE>
<!-- COMBINATION_POLICY
policy used by predictor to combine predictions returned
by the active predictors into one prediction.
-->
<COMBINATION_POLICY>Meritocracy</COMBINATION_POLICY>
</PredictorActivator>
<ProfileManager>
<LOGGER>ERROR</LOGGER>
<!-- AUTOPERSIST
Automatically saves configuration to active profile.
-->
<AUTOPERSIST>false</AUTOPERSIST>
</ProfileManager>
<Predictors>
<DefaultSmoothedNgramPredictor>
<PREDICTOR>SmoothedNgramPredictor</PREDICTOR>
<LOGGER>ERROR</LOGGER>
<DBFILENAME>/usr/share/presage/database_en.db</DBFILENAME>
<!-- delta_0, delta_1, ..., delta_{n-1}
Deltas also control the value of n in the n-gram model.
-->
<DELTAS>0.01 0.1 0.89</DELTAS>
<LEARN>false</LEARN>
<DatabaseConnector>
<LOGGER>ERROR</LOGGER>
</DatabaseConnector>
</DefaultSmoothedNgramPredictor>
<UserSmoothedNgramPredictor>
<PREDICTOR>SmoothedNgramPredictor</PREDICTOR>
<LOGGER>ERROR</LOGGER>
<!-- ${HOME} is special. It expands to:
- $HOME on Unix
- %USERPROFILE% on Windows
-->
<DBFILENAME>${HOME}/.presage/lm.db</DBFILENAME>
<!-- delta_0, delta_1, ..., delta_{n-1}
Deltas also control the value of n in the n-gram model.
-->
<DELTAS>0.01 0.1 0.89</DELTAS>
<LEARN>true</LEARN>
<DatabaseConnector>
<LOGGER>ERROR</LOGGER>
</DatabaseConnector>
</UserSmoothedNgramPredictor>
<DefaultRecencyPredictor>
<PREDICTOR>RecencyPredictor</PREDICTOR>
<LOGGER>ERROR</LOGGER>
<LAMBDA>1</LAMBDA>
<N_0>1</N_0>
<CUTOFF_THRESHOLD>20</CUTOFF_THRESHOLD>
</DefaultRecencyPredictor>
<DefaultDictionaryPredictor>
<PREDICTOR>DictionaryPredictor</PREDICTOR>
<LOGGER>ERROR</LOGGER>
<DICTIONARY>/usr/share/dict/words</DICTIONARY>
<!-- fixed probability assigned to prediction -->
<PROBABILITY>0.000001</PROBABILITY>
</DefaultDictionaryPredictor>
<DefaultAbbreviationExpansionPredictor>
<PREDICTOR>AbbreviationExpansionPredictor</PREDICTOR>
<LOGGER>ERROR</LOGGER>
<ABBREVIATIONS>/usr/share/presage/abbreviations_en.txt</ABBREVIATIONS>
</DefaultAbbreviationExpansionPredictor>
<DefaultDejavuPredictor>
<PREDICTOR>DejavuPredictor</PREDICTOR>
<LOGGER>ERROR</LOGGER>
<MEMORY>/usr/share/presage/dejavu_memory_en.txt</MEMORY>
<TRIGGER>3</TRIGGER>
</DefaultDejavuPredictor>
<DefaultARPAPredictor>
<PREDICTOR>ARPAPredictor</PREDICTOR>
<LOGGER>ERROR</LOGGER>
<ARPAFILENAME>/usr/share/presage/arpa_en.arpa</ARPAFILENAME>
<VOCABFILENAME>/usr/share/presage/arpa_en.vocab</VOCABFILENAME>
<TIMEOUT>100</TIMEOUT>
</DefaultARPAPredictor>
</Predictors>
</Presage>
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