/**
* Creates a new instance of Ephyra and initializes the system.
*
* <p>For use as an API.
*
* @param dir directory of Ephyra
*/
public OpenEphyra(String dir) {
this.dir = dir;
MsgPrinter.printInitializing();
// create tokenizer
MsgPrinter.printStatusMsg("Creating tokenizer...");
if (!OpenNLP.createTokenizer(dir + "res/nlp/tokenizer/opennlp/EnglishTok.bin.gz"))
MsgPrinter.printErrorMsg("Could not create tokenizer.");
// LingPipe.createTokenizer();
// create sentence detector
MsgPrinter.printStatusMsg("Creating sentence detector...");
if (!OpenNLP.createSentenceDetector(dir + "res/nlp/sentencedetector/opennlp/EnglishSD.bin.gz"))
MsgPrinter.printErrorMsg("Could not create sentence detector.");
LingPipe.createSentenceDetector();
// create stemmer
MsgPrinter.printStatusMsg("Creating stemmer...");
SnowballStemmer.create();
// create part of speech tagger
MsgPrinter.printStatusMsg("Creating POS tagger...");
if (!OpenNLP.createPosTagger(
dir + "res/nlp/postagger/opennlp/tag.bin.gz", dir + "res/nlp/postagger/opennlp/tagdict"))
MsgPrinter.printErrorMsg("Could not create OpenNLP POS tagger.");
// if (!StanfordPosTagger.init(dir + "res/nlp/postagger/stanford/" +
// "wsj3t0-18-bidirectional/train-wsj-0-18.holder"))
// MsgPrinter.printErrorMsg("Could not create Stanford POS tagger.");
// create chunker
MsgPrinter.printStatusMsg("Creating chunker...");
if (!OpenNLP.createChunker(dir + "res/nlp/phrasechunker/opennlp/EnglishChunk.bin.gz"))
MsgPrinter.printErrorMsg("Could not create chunker.");
// create syntactic parser
MsgPrinter.printStatusMsg("Creating syntactic parser...");
// if (!OpenNLP.createParser(dir + "res/nlp/syntacticparser/opennlp/"))
// MsgPrinter.printErrorMsg("Could not create OpenNLP parser.");
try {
StanfordParser.initialize();
} catch (Exception e) {
MsgPrinter.printErrorMsg("Could not create Stanford parser.");
}
// create named entity taggers
MsgPrinter.printStatusMsg("Creating NE taggers...");
NETagger.loadListTaggers(dir + "res/nlp/netagger/lists/");
NETagger.loadRegExTaggers(dir + "res/nlp/netagger/patterns.lst");
MsgPrinter.printStatusMsg(" ...loading models");
// if (!NETagger.loadNameFinders(dir + "res/nlp/netagger/opennlp/"))
// MsgPrinter.printErrorMsg("Could not create OpenNLP NE tagger.");
if (!StanfordNeTagger.isInitialized() && !StanfordNeTagger.init())
MsgPrinter.printErrorMsg("Could not create Stanford NE tagger.");
MsgPrinter.printStatusMsg(" ...done");
// create linker
// MsgPrinter.printStatusMsg("Creating linker...");
// if (!OpenNLP.createLinker(dir + "res/nlp/corefresolver/opennlp/"))
// MsgPrinter.printErrorMsg("Could not create linker.");
// create WordNet dictionary
MsgPrinter.printStatusMsg("Creating WordNet dictionary...");
if (!WordNet.initialize(dir + "res/ontologies/wordnet/file_properties.xml"))
MsgPrinter.printErrorMsg("Could not create WordNet dictionary.");
// load function words (numbers are excluded)
MsgPrinter.printStatusMsg("Loading function verbs...");
if (!FunctionWords.loadIndex(dir + "res/indices/functionwords_nonumbers"))
MsgPrinter.printErrorMsg("Could not load function words.");
// load prepositions
MsgPrinter.printStatusMsg("Loading prepositions...");
if (!Prepositions.loadIndex(dir + "res/indices/prepositions"))
MsgPrinter.printErrorMsg("Could not load prepositions.");
// load irregular verbs
MsgPrinter.printStatusMsg("Loading irregular verbs...");
if (!IrregularVerbs.loadVerbs(dir + "res/indices/irregularverbs"))
MsgPrinter.printErrorMsg("Could not load irregular verbs.");
// load word frequencies
MsgPrinter.printStatusMsg("Loading word frequencies...");
if (!WordFrequencies.loadIndex(dir + "res/indices/wordfrequencies"))
MsgPrinter.printErrorMsg("Could not load word frequencies.");
// load query reformulators
MsgPrinter.printStatusMsg("Loading query reformulators...");
if (!QuestionReformulationG.loadReformulators(dir + "res/reformulations/"))
MsgPrinter.printErrorMsg("Could not load query reformulators.");
// load answer types
// MsgPrinter.printStatusMsg("Loading answer types...");
// if (!AnswerTypeTester.loadAnswerTypes(dir +
// "res/answertypes/patterns/answertypepatterns"))
// MsgPrinter.printErrorMsg("Could not load answer types.");
// load question patterns
MsgPrinter.printStatusMsg("Loading question patterns...");
if (!QuestionInterpreter.loadPatterns(dir + "res/patternlearning/questionpatterns/"))
MsgPrinter.printErrorMsg("Could not load question patterns.");
// load answer patterns
MsgPrinter.printStatusMsg("Loading answer patterns...");
if (!AnswerPatternFilter.loadPatterns(dir + "res/patternlearning/answerpatterns/"))
MsgPrinter.printErrorMsg("Could not load answer patterns.");
}
