Search Results for author: Arpit Mittal

Found 17 papers, 2 papers with code

Debiasing knowledge graph embeddings

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.

Knowledge Graph Embeddings

The Fact Extraction and VERification Over Unstructured and Structured information (FEVEROUS) Shared Task

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).

Retrieval

CHIP: Contrastive Hierarchical Image Pretraining

no code implementations12 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.

Classification Object

Emotion-Cause Pair Extraction in Customer Reviews

no code implementations7 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.

Emotion-Cause Pair Extraction Word Embeddings

FEVEROUS: Fact Extraction and VERification Over Unstructured and Structured information

1 code implementation10 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.

Fact Verification Misinformation

Measuring Social Bias in Knowledge Graph Embeddings

no code implementations5 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.

Knowledge Graph Embeddings Word Embeddings

Large Scale Question Paraphrase Retrieval with Smoothed Deep Metric Learning

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.

Community Question Answering Information Retrieval +3

Generating Token-Level Explanations for Natural Language Inference

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.

Multiple Instance Learning Natural Language Inference +2

Learning When Not to Answer: A Ternary Reward Structure for Reinforcement Learning based Question Answering

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.

Knowledge Graphs Question Answering +2

Demand-Weighted Completeness Prediction for a Knowledge Base

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.

Simple Large-scale Relation Extraction from Unstructured Text

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).

Question Answering Relation +1

FEVER: a large-scale dataset for Fact Extraction and VERification

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.

Claim Verification Sentence

Labeling Topics with Images using Neural Networks

no code implementations1 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.

Re-Ranking Topic Models

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