learnerTopics-service

Discover hidden topics from textual documents

Algorithms Parameters

Param	Default	Description
alpha	50/topics	hyperparameter
beta	0.1	hyperparameter
topics	10	num topics
iterations	1000	num iterations
language	from text	text language
pos	NOUN VERB ADJECTIVE	part-of-speech
stopwords	empty	words separated by whitespace
minfreq		words separated by whitespace

        if (parameters.containsKey("topwords"))     ldaParameters.setNumTopWords(Integer.valueOf(parameters.get("topwords")));
       
        if (parameters.containsKey("minfreq"))      ldaParameters.setMinFreq(Integer.valueOf(parameters.get("minfreq")));
        if (parameters.containsKey("maxdocratio"))  ldaParameters.setMaxDocRatio(Double.valueOf(parameters.get("maxdocratio")));
        if (parameters.containsKey("raw"))          ldaParameters.setRaw(Boolean.valueOf(parameters.get("raw")));
        if (parameters.containsKey("inference"))    ldaParameters.setInference(Boolean.valueOf(parameters.get("inference")));
        if (parameters.containsKey("multigrams"))   ldaParameters.setEntities(Boolean.valueOf(parameters.get("multigrams")));
        if (parameters.containsKey("entities"))     ldaParameters.setEntities(Boolean.valueOf(parameters.get("entities")));
        if (parameters.containsKey("seed"))         ldaParameters.setSeed(Integer.valueOf(parameters.get("seed")));