Daniel Tunkelang

search linkedin hcir endeca information retrieval search engines data science information retrieval query understanding google hci machine learning ir enterprise big data recommender system faceted tunkelang daniel experimentation search quality library and information science human-computer interaction faceted search social networks semantic relevance mit ecommerce knowledge management software culture organization management qcon web science economics scientific method measurement search infrastructure search architecture lucene cikm2013 linkedi enterprise search entity oriented search personalization cikm2012 recsys2012 recsys semantic web semi-structured data samasource crowdsourcing explainability transparency social network reputation social media twitter authority attention scarcity influence tunkrank human computer interaction databases usability analytics text navigation exploratory separate tags sspafces wikipedia informationretrieval interaction computer human microblogging