Search Results for author: Egoitz Laparra

Found 21 papers, 4 papers with code

A Dataset and Evaluation Framework for Complex Geographical Description Parsing

2 code implementations COLING 2020 Egoitz Laparra, Steven Bethard

But creating a dataset for this complex geoparsing task is difficult and, if done manually, would require a huge amount of effort to annotate the geographical shapes of not only the geolocation described but also the reference toponyms.

Inferring missing metadata from environmental policy texts

no code implementations WS 2019 Steven Bethard, Egoitz Laparra, Sophia Wang, Yiyun Zhao, Ragheb Al-Ghezi, Aaron Lien, Laura L{\'o}pez-Hoffman

The National Environmental Policy Act (NEPA) provides a trove of data on how environmental policy decisions have been made in the United States over the last 50 years.

Pre-trained Contextualized Character Embeddings Lead to Major Improvements in Time Normalization: a Detailed Analysis

no code implementations SEMEVAL 2019 Dongfang Xu, Egoitz Laparra, Steven Bethard

Recent studies have shown that pre-trained contextual word embeddings, which assign the same word different vectors in different contexts, improve performance in many tasks.

Word Embeddings

Detecting Diabetes Risk from Social Media Activity

no code implementations WS 2018 Dane Bell, Egoitz Laparra, Aditya Kousik, Terron Ishihara, Mihai Surdeanu, Stephen Kobourov

This work explores the detection of individuals{'} risk of type 2 diabetes mellitus (T2DM) directly from their social media (Twitter) activity.

Domain Adaptation

Multilingual and Cross-lingual Timeline Extraction

no code implementations2 Feb 2017 Egoitz Laparra, Rodrigo Agerri, Itziar Aldabe, German Rigau

In this paper we present an approach to extract ordered timelines of events, their participants, locations and times from a set of multilingual and cross-lingual data sources.

Document-level

A Multilingual Predicate Matrix

no code implementations LREC 2016 Maddalen Lopez de Lacalle, Egoitz Laparra, Itziar Aldabe, German Rigau

This paper presents the Predicate Matrix 1. 3, a lexical resource resulting from the integration of multiple sources of predicate information including FrameNet, VerbNet, PropBank and WordNet.

The Event and Implied Situation Ontology (ESO): Application and Evaluation

no code implementations LREC 2016 Roxane Segers, Marco Rospocher, Piek Vossen, Egoitz Laparra, German Rigau, Anne-Lyse Minard

This paper presents the Event and Implied Situation Ontology (ESO), a manually constructed resource which formalizes the pre and post situations of events and the roles of the entities affected by an event.

Predicate Matrix: extending SemLink through WordNet mappings

no code implementations LREC 2014 Maddalen Lopez de Lacalle, Egoitz Laparra, German Rigau

This paper presents the Predicate Matrix v1. 1, a new lexical resource resulting from the integration of multiple sources of predicate information including FrameNet, VerbNet, PropBank and WordNet.

Natural Language Inference Question Answering +2

Multilingual Central Repository version 3.0

no code implementations LREC 2012 Aitor Gonzalez-Agirre, Egoitz Laparra, German Rigau

This paper describes the upgrading process of the Multilingual Central Repository (MCR).

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