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I am generally interested in a wide range of topics related to natural language processing. These span grammar formalisms, constraint logics, constraint solving, machine learning, learning of lexical relations, question answering systems, minimally supervised learning of syntax, semantics and morphology.
If you are interested in studying for a PhD then please contact me. Some of my current research themes are latent variable models (including quantum models) for compositional distributional semantics, community discovery using content and link analysis, answering complex questions, unsupervised learning of morphology, named entities and semantic relations.
Recent Projects
- Automated analysis of spreadsheets using machine learning and model transformation (jointly with IBM UK)
- Detecting Diabetic Retinopathy using deep neural networks (EPSRC IAA)
- Recognising subtle abnormalities in medical imaging [jointly with Karla Evans] (EPSRC IAA)
- Building a deep learning platform for medical and satellite imaging (HEFCE IA)
- DisCo Project - A Unified Theory for Distributional and Compositional Semantics (EPSRC funded)
Recent Activities
- Evaluation of Complex-Valued Neural Networks on Real-Valued Classification Tasks. [December 2018]
- Vehicle classification using ResNets, localisation and spatially-weighted pooling. [October 2018]
- Computational Linguistics journal article Tree Structured Dirichlet Processes for
Hierarchical Morphological Segmentation [June 2018] - ACL 2017 paper Feature-Rich Networks for Knowledge Base Completion
- ILP (Inductive Logic Programming) 2016 paper on Lifted Relational Neural Networks
- Current work on word embeddings (NAACL HLT 2016) : Dependency Based Embeddings for Sentence Classification Tasks [code and embeddings available]. The work by Reimers and Gurevych shows that these "embeddings gave by a far margin the best performance" on a range of tasks when compared with other popular embeddings.
- Aspect Based Sentiment Analysis (ABSA) SemEval Tasks 2014, 2015, 2016
- Analysis of Clinical Text (ACT) SemEval Tasks 2014, 2015
- International Symposium on Brain and Cognitive Science Keynote, 2017
- CICLing 2014 Keynote on Challenges in Unsupervised Learning for NLP
- Co-chair SemEval 2012 (Research Challenge in Computational Semantics)
- Co-chair SemEval 2013 (Research Challenge in Computational Semantics)
Editorial Board Membership
Recent Program Committee Membership
- 2010, 2011, 2012, 2013, 2016, 2017, 2018: Association of Computational Linguistics (ACL)
- 2010, 2011, 2012, 2013, 2014, 2017: Empirical Methods in Natural Language Processing (EMNLP)
- 2010, 2013, 2015, 2016, 2018: North American Chapter of the Association of Computational Linguistics (NAACL)
- 2011, 2013, 2015, 2016: International Joint Conference in Artificial Intelligence (IJCAI)
- 2014, 2015: American Association for Artificial Intelligence Conference (AAAI)
- 2012, 2014, 2018: International Conference in Computational Linguistics (COLING)
- 2014, 2015, 2016, 2017: International Conference on Intelligent Text Processing and Computational Linguistics (CICLing)
- 2013, 2016: Language Resources and Evaluation Conference (LREC)
- 2013, 2014, 2015, 2016: International Joint Conference in Lexical and Computational Semantics (*Sem)
- 2015: Recent Advances in Natural Language Processing (RANLP)
- 2012: AAAI International Conference on Weblogs and Social Media (ICWSM)