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Can language models (LM) ground question-answering (QA) tasks in the knowledge base via inherent relational reasoning ability? While previous models that use only LMs have seen some success on many QA tasks, more recent methods include…

Computation and Language · Computer Science 2023-06-07 Yujie Lu , Siqi Ouyang , Kairui Zhou

In today's rapidly evolving landscape of Artificial Intelligence, large language models (LLMs) have emerged as a vibrant research topic. LLMs find applications in various fields and contribute significantly. Despite their powerful language…

Computation and Language · Computer Science 2024-09-10 Tuan Bui , Oanh Tran , Phuong Nguyen , Bao Ho , Long Nguyen , Thang Bui , Tho Quan

Long-tail recognition is challenging because it requires the model to learn good representations from tail categories and address imbalances across all categories. In this paper, we propose a novel generative and fine-tuning framework,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Qihao Zhao , Yalun Dai , Hao Li , Wei Hu , Fan Zhang , Jun Liu

Sensitivity to false assumptions (or false premises) in information-seeking questions is critical for robust question-answering (QA) systems. Recent work has shown that false assumptions in naturally occurring questions pose challenges to…

Computation and Language · Computer Science 2024-03-20 Ashwin Daswani , Rohan Sawant , Najoung Kim

Recently, large language models (LLMs) have gained much attention for the emergence of human-comparable capabilities and huge potential. However, for open-domain implicit question-answering problems, LLMs may not be the ultimate solution…

Computation and Language · Computer Science 2026-03-10 Chang Liu , Xiaoguang Li , Lifeng Shang , Xin Jiang , Qun Liu , Edmund Y. Lam , Ngai Wong

Fine-tuning for large language models (LLMs) typically requires substantial amounts of high-quality supervised data, which is both costly and labor-intensive to acquire. While synthetic data generation has emerged as a promising solution,…

Computation and Language · Computer Science 2025-05-28 Zihong Chen , Wanli Jiang , Jinzhe Li , Zhonghang Yuan , Huanjun Kong , Wanli Ouyang , Nanqing Dong

Large language models (LLMs) are trained on web-scale corpora that exhibit steep power-law distributions, in which the distribution of knowledge is highly long-tailed, with most appearing infrequently. While scaling has improved…

Computation and Language · Computer Science 2026-02-19 Sanket Badhe , Deep Shah , Nehal Kathrotia

Since the recent prosperity of Large Language Models (LLMs), there have been interleaved discussions regarding how to reduce hallucinations from LLM responses, how to increase the factuality of LLMs, and whether Knowledge Graphs (KGs),…

Computation and Language · Computer Science 2024-04-04 Kai Sun , Yifan Ethan Xu , Hanwen Zha , Yue Liu , Xin Luna Dong

Although Large Language Models (LLMs) are effective in performing various NLP tasks, they still struggle to handle tasks that require extensive, real-world knowledge, especially when dealing with long-tail facts (facts related to long-tail…

Computation and Language · Computer Science 2024-05-13 Wenyu Huang , Guancheng Zhou , Mirella Lapata , Pavlos Vougiouklis , Sebastien Montella , Jeff Z. Pan

Automating data generation with Large Language Models (LLMs) has become increasingly popular. In this work, we investigate the feasibility and effectiveness of LLM-based data generation in the challenging setting of source-grounded…

Computation and Language · Computer Science 2024-10-16 Lotem Golany , Filippo Galgani , Maya Mamo , Nimrod Parasol , Omer Vandsburger , Nadav Bar , Ido Dagan

Though current long-context large language models (LLMs) have demonstrated impressive capacities in answering user questions based on extensive text, the lack of citations in their responses makes user verification difficult, leading to…

Computation and Language · Computer Science 2024-09-11 Jiajie Zhang , Yushi Bai , Xin Lv , Wanjun Gu , Danqing Liu , Minhao Zou , Shulin Cao , Lei Hou , Yuxiao Dong , Ling Feng , Juanzi Li

Question Answering (QA) systems are becoming the inspiring model for the future of search engines. While recently, underlying datasets for QA systems have been promoted from unstructured datasets to structured datasets with highly…

Information Retrieval · Computer Science 2016-02-17 Saeedeh Shekarpour , Denis Lukovnikov , Ashwini Jaya Kumar , Kemele Endris , Kuldeep Singh , Harsh Thakkar , Christoph Lange

In recent years, Large Language Models (LLMs) have demonstrated an impressive ability to encode knowledge during pre-training on large text corpora. They can leverage this knowledge for downstream tasks like question answering (QA), even in…

Computation and Language · Computer Science 2024-06-11 Juraj Vladika , Phillip Schneider , Florian Matthes

Large Language Model (LLM) has gained popularity and achieved remarkable results in open-domain tasks, but its performance in real industrial domain-specific scenarios is average due to its lack of specific domain knowledge. This issue has…

Computation and Language · Computer Science 2023-10-17 Fangkai Yang , Pu Zhao , Zezhong Wang , Lu Wang , Jue Zhang , Mohit Garg , Qingwei Lin , Saravan Rajmohan , Dongmei Zhang

Personalization in Information Retrieval (IR) is a topic studied by the research community since a long time. However, there is still a lack of datasets to conduct large-scale evaluations of personalized IR; this is mainly due to the fact…

Information Retrieval · Computer Science 2024-10-30 Marco Braga , Pranav Kasela , Alessandro Raganato , Gabriella Pasi

Large Language Models (LLMs) have excelled in multi-hop question-answering (M-QA) due to their advanced reasoning abilities. However, the impact of the inherent reasoning structures on LLM M-QA performance remains unclear, largely due to…

Clinical Question Answering (QA) systems enable doctors to quickly access patient information from electronic health records (EHRs). However, training these systems requires significant annotated data, which is limited due to the expertise…

Computation and Language · Computer Science 2024-12-09 Fan Bai , Keith Harrigian , Joel Stremmel , Hamid Hassanzadeh , Ardavan Saeedi , Mark Dredze

Although Large Language Models (LLMs) exhibit remarkable adaptability across domains, these models often fall short in structured knowledge extraction tasks such as named entity recognition (NER). This paper explores an innovative,…

Computation and Language · Computer Science 2024-06-11 Yuzhao Heng , Chunyuan Deng , Yitong Li , Yue Yu , Yinghao Li , Rongzhi Zhang , Chao Zhang

Large language models (LLMs) have shown impressive results while requiring little or no direct supervision. Further, there is mounting evidence that LLMs may have potential in information-seeking scenarios. We believe the ability of an LLM…

Automatic question generation (AQG) has broad applicability in domains such as tutoring systems, conversational agents, healthcare literacy, and information retrieval. Existing efforts at AQG have been limited to short answer lengths of up…

Computation and Language · Computer Science 2020-04-16 Shlok Kumar Mishra , Pranav Goel , Abhishek Sharma , Abhyuday Jagannatha , David Jacobs , Hal Daumé