Gan Keng Hoon

text analytics information retrieval decision making chatbot text retrieval faceted search dynamic facets knowledge representation sentiment analysis text mining r keywords discovery expert search solr open source platform phd problem procrastination topic modelling text mnining query transformation nlp query data retrieval business intelligence expert search system scientific article training text text classification research direction semantics tutorial icaicta 2016 search engines user experience search engine optimization search engine acis 2015 knowledge management knowledge publishing knowledge acquisition decision support