Leon Derczynski

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Leon Derczynski is a scientific Research Associate, who finished a PhD in Temporal Information Extraction at the University in Sheffield in 2012 under an enhanced EPSRC doctoral training grant. His main interests are information extraction, spatio-temporal semantics and handling noisy linguistic data. He has been working in commercial and academic research on NLP and IR since 2003 with focus on temporal relations, temporal and spatial information extraction, semantic annotation, usability and social media. He regularly guides teams through the TAC-KBP challenge, building complex information extraction and corroboration frameworks. Leon contributes to ISO consortiums for spatio-tempor

natural language processing computational linguistics linguistics social media nlp timeml fake news corpus linguistics temporal expressions twitter artificial intelligence information extraction machine learning annotation named entity recognition crowdsourcing misinformation false news tense sprogteknologi academic danish past tense dansk word sense disambiguation esslli wsd demographics best practice relevance feedback information retrieval trec question answering agile software development time and space data extraction linked data hypertext big data future sentiment analysis database spatio-temporal

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Leon Derczynski

Presentations

RTMBank: Capturing Verbs with Reichenbach's Tense Model

An Annotation Scheme for Reichenbach's Verbal Tense Structure

Using signals to improve automatic classification of temporal relations

Word Sense Disambiguation and Induction

A Corpus-based Study of Temporal Signals

A data driven approach to query expansion in question answering

Review of: Challenges of migrating to agile methodologies

TIMEN: An Open Temporal Expression Normalisation Resource

Determining the Types of Temporal Relations in Discourse

Towards Context-Aware Search and Analysis on Social Media Data

Empirical Validation of Reichenbach’s Tense Framework

Microblog-genre noise and its impact on semantic annotation accuracy

Determining the Types of Temporal Relations in Discourse

Mining Social Media with Linked Open Data, Entity Recognition, and Event Extraction

Twitter Part-of-Speech Tagging for All: Overcoming Sparse and Noisy Data

TwitIE: An Open-Source Information Extraction Pipeline for Microblog Text

Recognising and Interpreting Named Temporal Expressions

Christmas Presentation at Aarhus: What I do

Starting to Process Social Media

Passive-Aggressive Sequence Labeling with Discriminative Post-Editing for Recognising Person Entities in Tweets

Corpus Annotation through Crowdsourcing: Towards Best Practice Guidelines

Leveraging the Power of Social Media

Efficient named entity annotation through pre-empting

Handling and Mining Linguistic Variation in UGC

Broad Twitter Corpus: A Diverse Named Entity Recognition Resource

RumourEval

State of Tools for NLP in Danish: 2018

Joint Rumour Stance and Veracity

Likes

Demoscene Guest lecture

The Voice of Luxury: Social Media and Luxury Brands in China (GroupM China and CIC)

Digital natives or digital victims: children and the online world

Your First Startup