English
Related papers

Related papers: Retrieval-guided Counterfactual Generation for QA

200 papers

Current query expansion models use pseudo-relevance feedback to improve first-pass retrieval effectiveness; however, this fails when the initial results are not relevant. Instead of building a language model from retrieved results, we…

Information Retrieval · Computer Science 2023-04-27 Iain Mackie , Shubham Chatterjee , Jeffrey Dalton

Human interpretability of deep neural networks' decisions is crucial, especially in domains where these directly affect human lives. Counterfactual explanations of already trained neural networks can be generated by perturbing input…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Oana-Iuliana Popescu , Maha Shadaydeh , Joachim Denzler

Counterfactual explanations aim to enhance model transparency by showing how inputs can be minimally altered to change predictions. For multivariate time series, existing methods often generate counterfactuals that are invalid, implausible,…

Machine Learning · Computer Science 2026-02-18 Sarah Seifi , Anass Ibrahimi , Tobias Sukianto , Cecilia Carbonelli , Lorenzo Servadei , Robert Wille

With the wide use of deep neural networks (DNN), model interpretability has become a critical concern, since explainable decisions are preferred in high-stake scenarios. Current interpretation techniques mainly focus on the feature…

Machine Learning · Computer Science 2021-01-19 Fan Yang , Ninghao Liu , Mengnan Du , Xia Hu

Large Language Models (LLMs) and Knowledge Graphs (KGs) offer a promising approach to robust and explainable Question Answering (QA). While LLMs excel at natural language understanding, they suffer from knowledge gaps and hallucinations.…

Machine Learning · Computer Science 2025-04-15 Jasper Linders , Jakub M. Tomczak

Retrieval-augmented generation (RAG) frameworks enable large language models (LLMs) to retrieve relevant information from a knowledge base and incorporate it into the context for generating responses. This mitigates hallucinations and…

Computation and Language · Computer Science 2024-04-09 Pouria Rouzrokh , Shahriar Faghani , Cooper U. Gamble , Moein Shariatnia , Bradley J. Erickson

Question Generation (QG) is a fundamental NLP task for many downstream applications. Recent studies on open-book QG, where supportive answer-context pairs are provided to models, have achieved promising progress. However, generating natural…

Computation and Language · Computer Science 2023-02-14 Xiangjue Dong , Jiaying Lu , Jianling Wang , James Caverlee

Retrieval-Augmented Generation (RAG) based on knowledge graphs (KGs) enhances large language models (LLMs) by providing structured and interpretable external knowledge. However, existing KG-based RAG methods struggle to retrieve accurate…

Artificial Intelligence · Computer Science 2025-10-21 Junchi Yu , Yujie Liu , Jindong Gu , Philip Torr , Dongzhan Zhou

Despite their remarkable capabilities, large language models (LLMs) often produce responses containing factual inaccuracies due to their sole reliance on the parametric knowledge they encapsulate. Retrieval-Augmented Generation (RAG), an ad…

Computation and Language · Computer Science 2023-10-19 Akari Asai , Zeqiu Wu , Yizhong Wang , Avirup Sil , Hannaneh Hajishirzi

As NLP models become more complex, understanding their decisions becomes more crucial. Counterfactuals (CFs), where minimal changes to inputs flip a model's prediction, offer a way to explain these models. While Large Language Models (LLMs)…

Computation and Language · Computer Science 2024-11-13 Van Bach Nguyen , Paul Youssef , Christin Seifert , Jörg Schlötterer

Large language models (LLMs) have made remarkable progress in a wide range of natural language understanding and generation tasks. However, their ability to generate counterfactuals has not been examined systematically. To bridge this gap,…

Computation and Language · Computer Science 2024-02-26 Yongqi Li , Mayi Xu , Xin Miao , Shen Zhou , Tieyun Qian

In real-world machine learning systems, labels are often derived from user behaviors that the system wishes to encourage. Over time, new models must be trained as new training examples and features become available. However, feedback loops…

Machine Learning · Computer Science 2023-11-01 Victoria Lin , Louis-Philippe Morency , Dimitrios Dimitriadis , Srinagesh Sharma

In the environment of fair lending laws and the General Data Protection Regulation (GDPR), the ability to explain a model's prediction is of paramount importance. High quality explanations are the first step in assessing fairness.…

Machine Learning · Computer Science 2021-06-23 Rachana Balasubramanian , Samuel Sharpe , Brian Barr , Jason Wittenbach , C. Bayan Bruss

Knowledge gaps and hallucinations are persistent challenges for Large Language Models (LLMs), which generate unreliable responses when lacking the necessary information to fulfill user instructions. Existing approaches, such as…

Computation and Language · Computer Science 2025-11-20 Riccardo Pozzi , Matteo Palmonari , Andrea Coletta , Luigi Bellomarini , Jens Lehmann , Sahar Vahdati

The advent of large language models (LLMs) has allowed numerous applications, including the generation of queried responses, to be leveraged in chatbots and other conversational assistants. Being trained on a plethora of data, LLMs often…

Computation and Language · Computer Science 2025-05-16 Deeksha Prahlad , Chanhee Lee , Dongha Kim , Hokeun Kim

As NLP models become increasingly integral to decision-making processes, the need for explainability and interpretability has become paramount. In this work, we propose a framework that achieves the aforementioned by generating semantically…

Computation and Language · Computer Science 2025-08-04 Dimitris Lymperopoulos , Maria Lymperaiou , Giorgos Filandrianos , Giorgos Stamou

Machine Learning has seen tremendous growth recently, which has led to larger adoption of ML systems for educational assessments, credit risk, healthcare, employment, criminal justice, to name a few. The trustworthiness of ML and NLP…

Computation and Language · Computer Science 2021-03-19 Nishtha Madaan , Inkit Padhi , Naveen Panwar , Diptikalyan Saha

With the ongoing rise of machine learning, the need for methods for explaining decisions made by artificial intelligence systems is becoming a more and more important topic. Especially for image classification tasks, many state-of-the-art…

Machine Learning · Computer Science 2022-05-10 Silvan Mertes , Tobias Huber , Katharina Weitz , Alexander Heimerl , Elisabeth André

There is a broad consensus on the importance of deep learning models in tasks involving complex data. Often, an adequate understanding of these models is required when focusing on the transparency of decisions in human-critical…

Abductive reasoning is the process of making educated guesses to provide explanations for observations. Although many applications require the use of knowledge for explanations, the utilization of abductive reasoning in conjunction with…

Artificial Intelligence · Computer Science 2024-06-21 Jiaxin Bai , Yicheng Wang , Tianshi Zheng , Yue Guo , Xin Liu , Yangqiu Song