no code implementations • 2 Jan 2025 • Yifan Ding, Matthew Facciani, Amrit Poudel, Ellen Joyce, Salvador Aguinaga, Balaji Veeramani, Sanmitra Bhattacharya, Tim Weninger
Question answering systems are rapidly advancing, but their opaque nature may impact user trust.
no code implementations • 19 Sep 2024 • Patrick Gerard, William Theisen, Tim Weninger, Kristina Lerman
Othering, the act of portraying outgroups as fundamentally different from the ingroup, often escalates into framing them as existential threats--fueling intergroup conflict and justifying exclusion and violence.
no code implementations • 18 Sep 2024 • Krishanu Das Baksi, Elijah Soba, John J. Higgins, Ravi Saini, Jaden Wood, Jane Cook, Jack Scott, Nirmala Pudota, Tim Weninger, Edward Bowen, Sanmitra Bhattacharya
Medical coding is essential for standardizing clinical data and communication but is often time-consuming and prone to errors.
no code implementations • 12 Sep 2024 • Patrick Gerard, Svitlana Volkova, Louis Penafiel, Kristina Lerman, Tim Weninger
Existing research, however, often fails to capture information narrative evolution, overlooking both the fluid nature of narratives and the internal mechanisms that drive their evolution.
no code implementations • 29 May 2024 • Sounak Lahiri, Sumit Pai, Tim Weninger, Sanmitra Bhattacharya
Electronic Discovery (eDiscovery) involves identifying relevant documents from a vast collection based on legal production requests.
no code implementations • 18 Mar 2024 • Yifan Ding, Michael Yankoski, Tim Weninger
Information Extraction refers to a collection of tasks within Natural Language Processing (NLP) that identifies sub-sequences within text and their labels.
1 code implementation • 20 Feb 2024 • Yifan Ding, Qingkai Zeng, Tim Weninger
Fortunately, Large Language Models (LLMs) like GPT provide a highly-advanced solution to the problems inherent in EL models, but simply naive prompts to LLMs do not work well.
1 code implementation • 9 Feb 2024 • Yifan Ding, Amrit Poudel, Qingkai Zeng, Tim Weninger, Balaji Veeramani, Sanmitra Bhattacharya
Additionally, our instruction tuning method (EntGPT-I) improves micro-F_1 scores by 2. 1% on average in supervised EL tasks and outperforms several baseline models in six Question Answering tasks.
no code implementations • 27 Jan 2024 • Amrit Poudel, Tim Weninger
Recent decisions to discontinue access to social media APIs are having detrimental effects on Internet research and the field of computational social science as a whole.
1 code implementation • 17 Oct 2023 • Nicholas Botzer, David Vasquez, Tim Weninger, Issam Laradji
In the present work, we describe Top-K K-Nearest Neighbor (TK-KNN), which uses a more robust pseudo-labeling approach based on distance in the embedding space while maintaining a balanced set of pseudo-labeled examples across classes through a ranking-based approach.
1 code implementation • 21 Mar 2023 • Daniel Gonzalez Cedre, Justus Isaiah Hibshman, Timothy La Fond, Grant Boquet, Tim Weninger
Context-free graph grammars have shown a remarkable ability to model structures in real-world relational data.
no code implementations • 2 Jun 2022 • Peixian Liang, Yizhe Zhang, Yifan Ding, Jianxu Chen, Chinedu S. Madukoma, Tim Weninger, Joshua D. Shrout, Danny Z. Chen
We observe that probability maps by DL semantic segmentation models can be used to generate many possible instance candidates, and accurate instance segmentation can be achieved by selecting from them a set of "optimized" candidates as output instances.
no code implementations • 11 May 2022 • Trenton W. Ford, William Theisen, Michael Yankoski, Tom Henry, Farah Khashman, Katherine R. Dearstyne, Tim Weninger
This article presents a beta-version of MEWS (Misinformation Early Warning System).
no code implementations • 16 Mar 2022 • William Theisen, Daniel Gonzalez Cedre, Zachariah Carmichael, Daniel Moreira, Tim Weninger, Walter Scheirer
On the internet, images are no longer static; they have become dynamic content.
1 code implementation • NAACL (DADC) 2022 • Yifan Ding, Nicholas Botzer, Tim Weninger
Metrics used in these evaluations are tied to the availability of well-defined ground truth labels, and these metrics typically do not allow for inexact matches.
1 code implementation • 2 Jun 2021 • Paul Resnick, Yuqing Kong, Grant Schoenebeck, Tim Weninger
We refer to such tasks as survey settings because the ground truth is defined through a survey of one or more human raters.
no code implementations • 4 Jan 2021 • Nicholas Botzer, Yifan Ding, Tim Weninger
We introduce and make publicly available an entity linking dataset from Reddit that contains 17, 316 linked entities, each annotated by three human annotators and then grouped into Gold, Silver, and Bronze to indicate inter-annotator agreement.
no code implementations • Findings of the Association for Computational Linguistics 2020 • Qingkai Zeng, Wenhao Yu, Mengxia Yu, Tianwen Jiang, Tim Weninger, Meng Jiang
The training process of scientific NER models is commonly performed in two steps: i) Pre-training a language model by self-supervised tasks on huge data and ii) fine-tune training with small labelled data.
1 code implementation • 25 Sep 2020 • Yifan Ding, Nicholas Botzer, Tim Weninger
The present work describes HetSeq, a software package adapted from the popular PyTorch package that provides the capability to train large neural network models on heterogeneous infrastructure.
no code implementations • 17 Jan 2020 • William Theisen, Joel Brogan, Pamela Bilo Thomas, Daniel Moreira, Pascal Phoa, Tim Weninger, Walter Scheirer
This pipeline can ingest meme images from a social network, apply computer vision-based techniques to extract local features and index new images into a database, and then organize the memes into related genres.
no code implementations • 1 Jul 2019 • Maria Glenski, Tim Weninger, Svitlana Volkova
Social media signals have been successfully used to develop large-scale predictive and anticipatory analytics.
no code implementations • ACL 2018 • Maria Glenski, Tim Weninger, Svitlana Volkova
In the age of social news, it is important to understand the types of reactions that are evoked from news sources with various levels of credibility.
1 code implementation • 23 Feb 2018 • Baoxu Shi, Tim Weninger
Understanding and visualizing human discourse has long being a challenging task.
1 code implementation • 9 Nov 2017 • Baoxu Shi, Tim Weninger
Knowledge Graphs (KGs) have been applied to many tasks including Web search, link prediction, recommendation, natural language processing, and entity linking.
2 code implementations • 16 Nov 2016 • Baoxu Shi, Tim Weninger
In this work, we present a shared variable neural network model called ProjE that fills-in missing information in a knowledge graph by learning joint embeddings of the knowledge graph's entities and edges, and through subtle, but important, changes to the standard loss function.
1 code implementation • 10 Aug 2016 • Salvador Aguiñaga, Rodrigo Palacios, David Chiang, Tim Weninger
In experiments on large real world networks, we show that random graphs, generated from extracted graph grammars, exhibit a wide range of properties that are very similar to the original graphs.
1 code implementation • 4 Jan 2016 • Baoxu Shi, Tim Weninger
Information hierarchies are organizational structures that often used to organize and present large and complex information as well as provide a mechanism for effective human navigation.
1 code implementation • 20 Oct 2015 • Baoxu Shi, Tim Weninger
Traditional fact checking by experts and analysts cannot keep pace with the volume of newly created information.