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Phrases were extracted by Stanford CoreNLP/Spark 2.2 (6minutes) from English Wikipeida (+5 million pages) | |
+---------------------------+-----+ [441/9895] | |
|value |count| | |
+---------------------------+-----+ | |
|square miles |59821| | |
|unique feature |46463| | |
|id form |46101| | |
|administrative district |45963| | |
|first time |41423| |
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Stanford CoreNLP (Sentence splitter and POS Tagging - extract noun phrases), StopWordsRemover, TF-IDF, word2vec and OnlineLDAOptimizer | |
========== | |
Query: "cancer" | |
Sample: 500K abstracts | |
Dataset: PubMed | |
========== | |
val numTopics: Int = 50 | |
val maxIterations: Int = 100 | |
val vocabSize: Int = 10000 |
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Stanford CoreNLP (Sentence splitter and POS Tagging - extract noun phrases), StopWordsRemover, TF-IDF, word2vec and OnlineLDAOptimizer | |
Query: Global Warming (5000 pages) | |
==========Parameteres========== | |
val numTopics: Int = 50 | |
val maxIterations: Int = 100 | |
val vocabSize: Int = 10000 | |
val minDF: Int = 1 | |
val minTF: Int = 1 | |
val maxItems: Int = 15 |
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==================== | |
Stanford CoreNLP (Sentence splitter and POS Tagging - NN and NNS), StopWordsRemover, TF-IDF, word2vec and OnlineLDAOptimizer | |
Query: Global Warming (5000 pages) | |
==========Parameteres========== | |
val numTopics: Int = 50 | |
val maxIterations: Int = 100 | |
val vocabSize: Int = 10000 | |
val minDF: Int = 10 | |
val minTF: Int = 1 |
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