Hassan Saif is a research associate at the Knowledge Media Institute. His research interests are in Sentiment Analysis, Machine Learning and Social Semantics.

Hassan has recently had a PhD degree at the Open University on semantic sentiment analysis of microblogs. He has extensive expertise in social media analysis and data mining, and has published in top semantic web conferences and journals.

Along his career in KMI, Hassan has been involved in several EU projects...

Keys: Social Semantic, Semantic Computing, Sentiment Analysis, Opinion Mining, Information Extraction, Machine Learning, Natural Language Processing, Semantic Web

Burel, G., Saif, H. and Alani, H. (2017) Semantic Wide and Deep Learning for Detecting Crisis-Information Categories on Social Media, 16th International Semantic Web Conference, Vienna, Austria

Burel, G., Saif, H., Fernandez, M. and Alani, H. (2017) On Semantics and Deep Learning for Event Detection in Crisis Situations, Workshop: Workshop on Semantic Deep Learning (SemDeep), at ESWC 2017, Portoroz, Slovenia

Saif, H., Fernandez, M., Kastler, L. and Alani, H. (2017) Sentiment Lexicon Adaptation with Context and Semantics for the Social Web, Semantic Web Journal, 8, 5, pp. 643-665

Saif, H., Dickinson, T., Kastler, L., Fernandez, M. and Alani, H. (2017) A Semantic Graph-Based Approach for Radicalisation Detection on Social Media, Proc. Int. Extended Semantic Web Conference (ESWC), Portorož, Slovenia, 10249, pp. 571-587, Springer

Saif, H., Fernandez, M., Rowe, M. and Alani, H. (2016) On the Role of Semantics for Detecting pro-ISIS Stances on Social Media, ISWC 2016, Kobe, Japan, 1690

Saif, H., Ortega, J., Fernandez, M. and Cantador Gutierrez, I. (2016) Sentiment Analysis in Social Streams Emotions and Personality in Personalized Services, eds. Springer

Cano, A., Saif, H., Alani, H. and Motta, E. (2016) Semantic Topic Compass--Classification Based on Unsupervised Feature Ambiguity Gradation, 13th International Conference, ESWC 2016, Crete, Greece

Rowe, M. and Saif, H. (2016) Mining pro-ISIS radicalisation signals from social media users, The 10th International Conference on Web and Social Media

Uren, V., Wright, D., Scott, J., He, Y. and Saif, H. (2016) Social media and sentiment in bioenergy consultation, International journal of energy sector management

Saif, H., He, Y., Fernandez, M. and Alani, H. (2016) Contextual semantics for sentiment analysis of Twitter, Information Processing and Management, 52, 1, pp. 5-19

Saif, H., Bashevoy, M., Taylor, S., Fernandez, M. and Alani, H. (2016) SentiCircles: A Platform for Contextual and Conceptual Sentiment Analysis, ESWC2016: European Semantic Web Conference, Anissaras, Crete, Greece

Saif, H., Fernandez, M., Kastler, L. and Alani, H. (2016) A Linked Open Data Approach for Sentiment Lexicon Adaptation, Workshop: The 4th International Workshop on Linked Data for Information Extraction, ISWC Conference

Saif, H., He, Y., Fernandez, M. and Alani, H. (2014) Semantic patterns for sentiment analysis of Twitter, 13th International Semantic Web Conference (ISWC 2014), Riva del Garda, Trentino, Italy, 8797, pp. 324-340, Springer International Publishing

Saif, H., Fernandez, M. and Alani, H. (2014) Automatic stopword generation using contextual semantics for sentiment analysis of Twitter, 13th International Semantic Web Conference (ISWC 2014), Riva del Garda, Trentino, Italy, 1272

Saif, H., He, Y., Fernandez, M. and Alani, H. (2014) Adapting sentiment lexicons using contextual semantics for sentiment analysis of Twitter, Workshop: Workshop 5: SemanticSentimentAnalysis2014: Semantic Web and Sentiment Analysis, Crete, Greece, 8798, pp. 54-63, Springer International Publishing

Saif, H., Fernandez, M., He, Y. and Alani, H. (2014) SentiCircles for contextual and conceptual semantic sentiment analysis of Twitter, 11th ESWC 2014, Crete, Greece, pp. 83-98, Springer Internatioal Publishing

Saif, H., Fernandez, M., He, Y. and Alani, H. (2014) On stopwords, filtering and data sparsity for sentiment analysis of Twitter, LREC 2014, Ninth International Conference on Language Resources and Evaluation, Reykjavik, Iceland, pp. 810-817

Saif, H., Fernandez, M., He, Y. and Alani, H. (2013) Evaluation datasets for Twitter sentiment analysis: a survey and a new dataset, the STS-Gold, Workshop: 1st Interantional Workshop on Emotion and Sentiment in Social and Expressive Media: Approaches and Perspectives from AI (ESSEM 2013), Turin, Italy

Saif, H., He, Y. and Alani, H. (2012) Semantic Sentiment Analysis of Twitter, International Semantic Web Conference, Boston, US

He, Y., Saif, H., Wei, Z. and Wong, K. (2012) Quantizing Opinions for Political Tweets Analysis, The 8th International Conference on Language Resources and Evaluation (LREC), Istanbul, Turkey

Saif, H., He, Y. and Alani, H. (2012) Alleviating Data Sparsity for Twitter Sentiment Analysis, Workshop: The 2nd Workshop on Making Sense of Microposts (#MSM2012): Big things come in small packages at World Wide Web (WWW) 2012, Lyon, France

Saif, H., He, Y. and Alani, H. (2011) Semantic Smoothing for Twitter Sentiment Analysis, Poster at The 10th International Semantic Web Conference (ISWC), Bonn, Germany