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Leon Derczynski

Leon Derczynski

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28 SlideShares 0 Clipboards 58 Followers 69 Followings
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Personal Information
Organization / Workplace
Aarhus, Denmark United Kingdom
Occupation
Research Fellow
Industry
Technology / Software / Internet
Website
derczynski.com/
About
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
Contact Details
Tags
natural language processing computational linguistics social media linguistics nlp timeml fake news twitter information extraction artificial intelligence temporal expressions corpus linguistics crowdsourcing named entity recognition annotation machine learning misinformation false news sprogteknologi danish dansk demographics best practice data extraction linked data hypertext big data spatio-temporal database sentiment analysis future time and space agile software development question answering trec information retrieval relevance feedback wsd esslli word sense disambiguation past tense academic tense
See more
Presentations (28)
See all
RTMBank: Capturing Verbs with Reichenbach's Tense Model
10 years ago • 831 Views
An Annotation Scheme for Reichenbach's Verbal Tense Structure
10 years ago • 898 Views
Using signals to improve automatic classification of temporal relations
10 years ago • 568 Views
Word Sense Disambiguation and Induction
10 years ago • 2217 Views
A Corpus-based Study of Temporal Signals
10 years ago • 613 Views
A data driven approach to query expansion in question answering
10 years ago • 1160 Views
Review of: Challenges of migrating to agile methodologies
10 years ago • 2383 Views
TIMEN: An Open Temporal Expression Normalisation Resource
10 years ago • 1729 Views
Determining the Types of Temporal Relations in Discourse
9 years ago • 512 Views
Towards Context-Aware Search and Analysis on Social Media Data
9 years ago • 1400 Views
Empirical Validation of Reichenbach’s Tense Framework
9 years ago • 1266 Views
Microblog-genre noise and its impact on semantic annotation accuracy
9 years ago • 1956 Views
Determining the Types of Temporal Relations in Discourse
9 years ago • 1137 Views
Mining Social Media with Linked Open Data, Entity Recognition, and Event Extraction
9 years ago • 4224 Views
Twitter Part-of-Speech Tagging for All: Overcoming Sparse and Noisy Data
9 years ago • 3640 Views
TwitIE: An Open-Source Information Extraction Pipeline for Microblog Text
9 years ago • 3298 Views
Recognising and Interpreting Named Temporal Expressions
9 years ago • 1089 Views
Christmas Presentation at Aarhus: What I do
9 years ago • 481 Views
Starting to Process Social Media
9 years ago • 1156 Views
Passive-Aggressive Sequence Labeling with Discriminative Post-Editing for Recognising Person Entities in Tweets
8 years ago • 1649 Views
Corpus Annotation through Crowdsourcing: Towards Best Practice Guidelines
8 years ago • 1708 Views
Leveraging the Power of Social Media
8 years ago • 1102 Views
Efficient named entity annotation through pre-empting
7 years ago • 472 Views
Handling and Mining Linguistic Variation in UGC
7 years ago • 870 Views
Broad Twitter Corpus: A Diverse Named Entity Recognition Resource
6 years ago • 862 Views
RumourEval
5 years ago • 454 Views
State of Tools for NLP in Danish: 2018
4 years ago • 512 Views
Joint Rumour Stance and Veracity
3 years ago • 232 Views
Likes (4)
See all
Demoscene Guest lecture
Nicolai Brodersen Hansen • 7 years ago
The Voice of Luxury: Social Media and Luxury Brands in China (GroupM China and CIC)
Kantar Media CIC • 11 years ago
Digital natives or digital victims: children and the online world
Deborah Lupton • 8 years ago
Your First Startup
Sarah Prevette • 11 years ago
  • Activity
  • About

Presentations (28)
See all
RTMBank: Capturing Verbs with Reichenbach's Tense Model
10 years ago • 831 Views
An Annotation Scheme for Reichenbach's Verbal Tense Structure
10 years ago • 898 Views
Using signals to improve automatic classification of temporal relations
10 years ago • 568 Views
Word Sense Disambiguation and Induction
10 years ago • 2217 Views
A Corpus-based Study of Temporal Signals
10 years ago • 613 Views
A data driven approach to query expansion in question answering
10 years ago • 1160 Views
Review of: Challenges of migrating to agile methodologies
10 years ago • 2383 Views
TIMEN: An Open Temporal Expression Normalisation Resource
10 years ago • 1729 Views
Determining the Types of Temporal Relations in Discourse
9 years ago • 512 Views
Towards Context-Aware Search and Analysis on Social Media Data
9 years ago • 1400 Views
Empirical Validation of Reichenbach’s Tense Framework
9 years ago • 1266 Views
Microblog-genre noise and its impact on semantic annotation accuracy
9 years ago • 1956 Views
Determining the Types of Temporal Relations in Discourse
9 years ago • 1137 Views
Mining Social Media with Linked Open Data, Entity Recognition, and Event Extraction
9 years ago • 4224 Views
Twitter Part-of-Speech Tagging for All: Overcoming Sparse and Noisy Data
9 years ago • 3640 Views
TwitIE: An Open-Source Information Extraction Pipeline for Microblog Text
9 years ago • 3298 Views
Recognising and Interpreting Named Temporal Expressions
9 years ago • 1089 Views
Christmas Presentation at Aarhus: What I do
9 years ago • 481 Views
Starting to Process Social Media
9 years ago • 1156 Views
Passive-Aggressive Sequence Labeling with Discriminative Post-Editing for Recognising Person Entities in Tweets
8 years ago • 1649 Views
Corpus Annotation through Crowdsourcing: Towards Best Practice Guidelines
8 years ago • 1708 Views
Leveraging the Power of Social Media
8 years ago • 1102 Views
Efficient named entity annotation through pre-empting
7 years ago • 472 Views
Handling and Mining Linguistic Variation in UGC
7 years ago • 870 Views
Broad Twitter Corpus: A Diverse Named Entity Recognition Resource
6 years ago • 862 Views
RumourEval
5 years ago • 454 Views
State of Tools for NLP in Danish: 2018
4 years ago • 512 Views
Joint Rumour Stance and Veracity
3 years ago • 232 Views
Likes (4)
See all
Demoscene Guest lecture
Nicolai Brodersen Hansen • 7 years ago
The Voice of Luxury: Social Media and Luxury Brands in China (GroupM China and CIC)
Kantar Media CIC • 11 years ago
Digital natives or digital victims: children and the online world
Deborah Lupton • 8 years ago
Your First Startup
Sarah Prevette • 11 years ago
Personal Information
Organization / Workplace
Aarhus, Denmark United Kingdom
Occupation
Research Fellow
Industry
Technology / Software / Internet
Website
derczynski.com/
About
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
Contact Details
Tags
natural language processing computational linguistics social media linguistics nlp timeml fake news twitter information extraction artificial intelligence temporal expressions corpus linguistics crowdsourcing named entity recognition annotation machine learning misinformation false news sprogteknologi danish dansk demographics best practice data extraction linked data hypertext big data spatio-temporal database sentiment analysis future time and space agile software development question answering trec information retrieval relevance feedback wsd esslli word sense disambiguation past tense academic tense
See more

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