no code implementations • EMNLP 2020 • Joseph Fisher, Arpit Mittal, Dave Palfrey, Christos Christodoulopoulos
It has been shown that knowledge graph embeddings encode potentially harmful social biases, such as the information that women are more likely to be nurses, and men more likely to be bankers.
no code implementations • EMNLP (FEVER) 2021 • Rami Aly, Zhijiang Guo, Michael Sejr Schlichtkrull, James Thorne, Andreas Vlachos, Christos Christodoulopoulos, Oana Cocarascu, Arpit Mittal
The Fact Extraction and VERification Over Unstructured and Structured information (FEVEROUS) shared task, asks participating systems to determine whether human-authored claims are Supported or Refuted based on evidence retrieved from Wikipedia (or NotEnoughInfo if the claim cannot be verified).
no code implementations • 12 Oct 2023 • Arpit Mittal, Harshil Jhaveri, Swapnil Mallick, Abhishek Ajmera
Few-shot object classification is the task of classifying objects in an image with limited number of examples as supervision.
no code implementations • 7 Dec 2021 • Arpit Mittal, Jeel Tejaskumar Vaishnav, Aishwarya Kaliki, Nathan Johns, Wyatt Pease
Emotion-Cause Pair Extraction (ECPE) is a complex yet popular area in Natural Language Processing due to its importance and potential applications in various domains.
1 code implementation • 10 Jun 2021 • Rami Aly, Zhijiang Guo, Michael Schlichtkrull, James Thorne, Andreas Vlachos, Christos Christodoulopoulos, Oana Cocarascu, Arpit Mittal
Fact verification has attracted a lot of attention in the machine learning and natural language processing communities, as it is one of the key methods for detecting misinformation.
no code implementations • 5 Dec 2019 • Joseph Fisher, Dave Palfrey, Christos Christodoulopoulos, Arpit Mittal
It has recently been shown that word embeddings encode social biases, with a harmful impact on downstream tasks.
no code implementations • WS 2019 • James Thorne, Andreas Vlachos, Oana Cocarascu, Christos Christodoulopoulos, Arpit Mittal
We present the results of the second Fact Extraction and VERification (FEVER2. 0) Shared Task.
no code implementations • IJCNLP 2019 • James Thorne, Andreas Vlachos, Christos Christodoulopoulos, Arpit Mittal
Automated fact verification has been progressing owing to advancements in modeling and availability of large datasets.
no code implementations • IJCNLP 2019 • Esma Balkir, Masha Naslidnyk, Dave Palfrey, Arpit Mittal
Bilinear models such as DistMult and ComplEx are effective methods for knowledge graph (KG) completion.
Ranked #18 on Link Prediction on FB15k
no code implementations • WS 2019 • Daniele Bonadiman, Anjishnu Kumar, Arpit Mittal
The goal of a Question Paraphrase Retrieval (QPR) system is to retrieve equivalent questions that result in the same answer as the original question.
no code implementations • NAACL 2019 • James Thorne, Andreas Vlachos, Christos Christodoulopoulos, Arpit Mittal
In this paper, we show that it is possible to generate token-level explanations for NLI without the need for training data explicitly annotated for this purpose.
no code implementations • NAACL 2019 • Fréderic Godin, Anjishnu Kumar, Arpit Mittal
In this paper, we investigate the challenges of using reinforcement learning agents for question-answering over knowledge graphs for real-world applications.
no code implementations • WS 2018 • James Thorne, Andreas Vlachos, Oana Cocarascu, Christos Christodoulopoulos, Arpit Mittal
We present the results of the first Fact Extraction and VERification (FEVER) Shared Task.
no code implementations • NAACL 2018 • Andrew Hopkinson, Amit Gurdasani, Dave Palfrey, Arpit Mittal
In this paper we introduce the notion of Demand-Weighted Completeness, allowing estimation of the completeness of a knowledge base with respect to how it is used.
no code implementations • LREC 2018 • Christos Christodoulopoulos, Arpit Mittal
Knowledge-based question answering relies on the availability of facts, the majority of which cannot be found in structured sources (e. g. Wikipedia info-boxes, Wikidata).
5 code implementations • NAACL 2018 • James Thorne, Andreas Vlachos, Christos Christodoulopoulos, Arpit Mittal
Thus we believe that FEVER is a challenging testbed that will help stimulate progress on claim verification against textual sources.
no code implementations • 1 Aug 2016 • Nikolaos Aletras, Arpit Mittal
Topics generated by topic models are usually represented by lists of $t$ terms or alternatively using short phrases and images.