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Large language models (LLMs) often struggle with processing extensive input contexts, which can lead to redundant, inaccurate, or incoherent summaries. Recent methods have used unstructured memory to incrementally process these contexts,…

计算与语言 · 计算机科学 2024-07-23 EunJeong Hwang , Yichao Zhou , James Bradley Wendt , Beliz Gunel , Nguyen Vo , Jing Xie , Sandeep Tata

Large Language Models (LLMs) are now widely used for query reformulation and expansion in Information Retrieval, with many studies reporting substantial effectiveness gains. However, these results are typically obtained under heterogeneous…

Large Language Models (LLMs) have demonstrated exceptional performance in the task of text ranking for information retrieval. While Pointwise ranking approaches offer computational efficiency by scoring documents independently, they often…

信息检索 · 计算机科学 2025-12-03 Jieran Li , Xiuyuan Hu , Yang Zhao , Shengyao Zhuang , Hao Zhang

Large Language Models (LLMs) are known for their expensive and time-consuming training. Thus, oftentimes, LLMs are fine-tuned to address a specific task, given the pretrained weights of a pre-trained LLM considered a foundation model. In…

计算与语言 · 计算机科学 2025-12-05 Eshed Gal , Moshe Eliasof , Javier Turek , Uri Ascher , Eran Treister , Eldad Haber

Large Language Models (LLMs) have demonstrated impressive capabilities in language generation and general task performance. However, their application to spoken language understanding (SLU) remains challenging, particularly for token-level…

计算与语言 · 计算机科学 2025-10-09 Shangjian Yin , Peijie Huang , Jiatian Chen , Haojing Huang , Yuhong Xu

Large language models (LLMs) sometimes demonstrate poor performance on knowledge-intensive tasks, commonsense reasoning is one of them. Researchers typically address these issues by retrieving related knowledge from knowledge graphs or…

计算与语言 · 计算机科学 2024-10-15 Jiachun Li , Pengfei Cao , Chenhao Wang , Zhuoran Jin , Yubo Chen , Kang Liu , Xiaojian Jiang , Jiexin Xu , Jun Zhao

Large language models (LLMs) are powerful tools capable of handling diverse tasks. Comparing and selecting appropriate LLMs for specific tasks requires systematic evaluation methods, as models exhibit varying capabilities across different…

计算与语言 · 计算机科学 2025-06-04 Anna Sokol , Elizabeth Daly , Michael Hind , David Piorkowski , Xiangliang Zhang , Nuno Moniz , Nitesh Chawla

The latest research on Large Language Models (LLMs) has demonstrated significant advancement in the field of Natural Language Processing (NLP). However, despite this progress, there is still a lack of reliability in these models. This is…

计算与语言 · 计算机科学 2025-03-18 André Schamschurko , Nenad Petrovic , Alois Christian Knoll

As Machine Learning (ML) models grow in size and demand higher-quality training data, the expenses associated with re-training and fine-tuning these models are escalating rapidly. Inspired by recent impressive achievements of Large Language…

机器学习 · 计算机科学 2024-06-26 Zhiqiang Zhong , Kuangyu Zhou , Davide Mottin

Large language models (LLMs) enable researchers to analyze text at unprecedented scale and minimal cost. Researchers can now revisit old questions and tackle novel ones with rich data. We provide an econometric framework for realizing this…

计量经济学 · 经济学 2025-12-08 Jens Ludwig , Sendhil Mullainathan , Ashesh Rambachan

AI-powered recruitment tools are increasingly adopted in personnel selection, yet they struggle to capture the requisition (req)-specific personal competencies (PCs) that distinguish successful candidates beyond job categories. We propose a…

Large language models (LLMs) have emerged as versatile tools in various daily applications. However, they are fraught with issues that undermine their utility and trustworthiness. These include the incorporation of erroneous references…

计算与语言 · 计算机科学 2023-09-13 Dongyub Lee , Taesun Whang , Chanhee Lee , Heuiseok Lim

While large language models (LLMs) have shown remarkable capabilities in natural language processing, they struggle with complex, multi-step reasoning tasks involving knowledge graphs (KGs). Existing approaches that integrate LLMs and KGs…

计算与语言 · 计算机科学 2024-09-25 Zixuan Dong , Baoyun Peng , Yufei Wang , Jia Fu , Xiaodong Wang , Yongxue Shan , Xin Zhou

Large language models (LLMs) with Chain-of-Thought (CoT) prompting achieve strong reasoning but often produce unnecessarily long explanations, increasing cost and sometimes reducing accuracy. Fair comparison of efficiency-oriented…

计算与语言 · 计算机科学 2025-11-14 Junquan Huang , Haotian Wu , Yubo Gao , Yibo Yan , Junyan Zhang , Yonghua Hei , Song Dai , Jie Zhang , Puay Siew Tan , Xuming Hu

Robust and comprehensive evaluation of large language models (LLMs) is essential for identifying effective LLM system configurations and mitigating risks associated with deploying LLMs in sensitive domains. However, traditional statistical…

计算与语言 · 计算机科学 2026-05-08 Adam Dejl , Jonathan Pearson

Large reasoning models (LRMs) have achieved impressive performance in complex tasks, often outperforming conventional large language models (LLMs). However, the prevalent issue of overthinking severely limits their computational efficiency.…

计算与语言 · 计算机科学 2025-05-29 Zhiyuan Li , Yi Chang , Yuan Wu

Incomplete relevance judgments limit the re-usability of test collections. When new systems are compared against previous systems used to build the pool of judged documents, they often do so at a disadvantage due to the ``holes'' in test…

信息检索 · 计算机科学 2024-05-10 Zahra Abbasiantaeb , Chuan Meng , Leif Azzopardi , Mohammad Aliannejadi

Reference resolution is an important problem, one that is essential to understand and successfully handle context of different kinds. This context includes both previous turns and context that pertains to non-conversational entities, such…

Recent large language models (LLMs) have demonstrated exceptional performance on general-purpose text embedding tasks. While dense embeddings have dominated related research, we introduce the first lexicon-based embeddings (LENS) leveraging…

计算与语言 · 计算机科学 2026-03-20 Yibin Lei , Tao Shen , Yu Cao , Andrew Yates

Large language models (LLMs) have shown superior performance without task-specific fine-tuning. Despite the success, the knowledge stored in the parameters of LLMs could still be incomplete and difficult to update due to the computational…

计算与语言 · 计算机科学 2023-10-10 Yile Wang , Peng Li , Maosong Sun , Yang Liu