University Politehnica Bucharest

cscl natural language processing nlp chat lexical chains important moments time series analysis semantic similarity text mining clustering creativity elections time series sentiment analysis polyphony theory cohesión malapropism ocr post-processing coherence discourse semantic spaces fbprophet arima lags differencing moving-average auto-regression sales prediction topics interaction chat tempo chats pollution events digital information services business process digitalization digital transformation wordnet google books n-grams corpus autocorrelation dynamic time warping cyclicity detection machine learning politics opinion mining google corpus peak detection time stamping car reselling price prediction feature selection random forest multiple linear regression key point matching histogram image recognition cards logger hearthstone game optical character recognition filtering user psychological profile recommender system bio-medicine heuristic search concept tracing location prediction spatial data mining urban planning open data neologisms archaisms pca automatic grading text complexity country comparison micro-blogging lda topic modelling parsing tagging products evaluation based on social media text segmentation sentiments analysis metrics for creativity detection satire chat conversations heuristic testing participant assessment learning analytics linguistics supervised learning concreteness measures similarity measures figurative language metaphor detection topics hash tags polarity twitter gender differences stem participants analysis discourse analysis pivotal moments data visualization bahtin poliphony theory dialogism computer-supported collaborative learning involvement repetition chat analysis polyphony rhythmicity word sense disambiguation romanian viterbi algorithm pos tagging n-grams probabilistic parsing ocr text recovery chunking filters search engine paronyms dictionary