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Neural sequence models have achieved great success in sentence-level sentiment classification. However, some models are exceptionally complex or based on expensive features. Some other models recognize the value of existed linguistic…

Computation and Language · Computer Science 2019-10-21 Yan Zeng , Yangyang Lan , Yazhou Hao , Chen Li , Qinhua Zheng

Advances in mechanistic interpretability have identified special attention heads, known as retrieval heads, that are responsible for retrieving information from the context. However, the role of these retrieval heads in improving model…

Computation and Language · Computer Science 2026-04-27 Youmi Ma , Naoaki Okazaki

Generating natural and informative texts has been a long-standing problem in NLP. Much effort has been dedicated into incorporating pre-trained language models (PLMs) with various open-world knowledge, such as knowledge graphs or wiki…

Computation and Language · Computer Science 2022-03-17 Chao-Hong Tan , Jia-Chen Gu , Chongyang Tao , Zhen-Hua Ling , Can Xu , Huang Hu , Xiubo Geng , Daxin Jiang

[Context and motivation.] Extracting features from mobile app reviews is increasingly important for multiple requirements engineering (RE) tasks. However, existing methods struggle to turn noisy, ambiguous feedback into interpretable…

Software Engineering · Computer Science 2025-10-22 Max Tiessler , Quim Motger

Large language models (LLMs) are being increasingly tuned to power complex generation tasks such as writing, fact-seeking, querying and reasoning. Traditionally, human or model feedback for evaluating and further tuning LLM performance has…

Computation and Language · Computer Science 2024-04-09 Yukti Makhija , Priyanka Agrawal , Rishi Saket , Aravindan Raghuveer

In-Context Learning (ICL) enables Large Language Models (LLMs) to perform new tasks by conditioning on prompts with relevant information. Retrieval-Augmented Generation (RAG) enhances ICL by incorporating retrieved documents into the LLM's…

Machine Learning · Computer Science 2024-12-02 Marie Al Ghossein , Emile Contal , Alexandre Robicquet

Large language models (LLM) trained using the next-token-prediction objective, such as GPT3 and PaLM, have revolutionized natural language processing in recent years by showing impressive zero-shot and few-shot capabilities across a wide…

Computation and Language · Computer Science 2023-02-01 Hao Liu , Xinyang Geng , Lisa Lee , Igor Mordatch , Sergey Levine , Sharan Narang , Pieter Abbeel

Few-shot semantic segmentation is the task of learning to locate each pixel of the novel class in the query image with only a few annotated support images. The current correlation-based methods construct pair-wise feature correlations to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Huafeng Liu , Pai Peng , Tao Chen , Qiong Wang , Yazhou Yao , Xian-Sheng Hua

A common approach for knowledge-base entity search is to consider an entity as a document with multiple fields. Models that focus on matching query terms in different fields are popular choices for searching such entity representations. An…

Information Retrieval · Computer Science 2019-07-03 Shahrzad Naseri , Sheikh Muhammad Sarwar , James Allan

Text retrieval plays a crucial role in incorporating factual knowledge for decision making into language processing pipelines, ranging from chat-based web search to question answering systems. Current state-of-the-art text retrieval models…

Computation and Language · Computer Science 2024-11-26 Ge Gao , Jonathan D. Chang , Claire Cardie , Kianté Brantley , Thorsten Joachim

Lexicon information and pre-trained models, such as BERT, have been combined to explore Chinese sequence labelling tasks due to their respective strengths. However, existing methods solely fuse lexicon features via a shallow and random…

Computation and Language · Computer Science 2021-12-28 Wei Liu , Xiyan Fu , Yue Zhang , Wenming Xiao

In this paper, we unveil a groundbreaking method to amplify full-text search lemmatization, utilizing the OpenCorpora dataset and a bespoke paradigm retrieval algorithm. Our primary aim is to streamline the extraction of a word's primary…

Computation and Language · Computer Science 2023-05-19 Dmitriy Kalugin-Balashov

Most existing topic models rely on bag-of-words (BOW) representation, which limits their ability to capture word order information and leads to challenges with out-of-vocabulary (OOV) words in new documents. Contextualized word embeddings,…

Computation and Language · Computer Science 2024-03-07 Zheng Fang , Yulan He , Rob Procter

Term-based sparse representations dominate the first-stage text retrieval in industrial applications, due to its advantage in efficiency, interpretability, and exact term matching. In this paper, we study the problem of transferring the…

Information Retrieval · Computer Science 2020-10-05 Yang Bai , Xiaoguang Li , Gang Wang , Chaoliang Zhang , Lifeng Shang , Jun Xu , Zhaowei Wang , Fangshan Wang , Qun Liu

In this paper, a simple text categorization method using term-class relevance measures is proposed. Initially, text documents are processed to extract significant terms present in them. For every term extracted from a document, we compute…

Information Retrieval · Computer Science 2016-10-18 D S Guru , Mahamad Suhil

This article analyses and evaluates FDD\b{eta}, a supervised term-weighting scheme that can be applied for query-term selection in topic-based retrieval. FDD\b{eta} weights terms based on two factors representing the descriptive and…

Information Retrieval · Computer Science 2020-07-20 Mariano Maisonnave , Fernando Delbianco , Fernando Tohmé , Ana Maguitman

Given a textual description, the task of referring expression comprehension (REC) involves the localisation of the referred object in an image. Multimodal large language models (MLLMs) have achieved high accuracy on REC benchmarks through…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Yik Lung Pang , Changjae Oh

Recent progress in video-text retrieval has been driven largely by advancements in model architectures and training strategies. However, the representation learning capabilities of videotext retrieval models remain constrained by lowquality…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Yimu Wang , Shuai Yuan , Bo Xue , Xiangru Jian , Wei Pang , Mushi Wang , Ning Yu

The scene text removal (STR) task aims to remove text regions and recover the background smoothly in images for private information protection. Most existing STR methods adopt encoder-decoder-based CNNs, with direct copies of the features…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Guangtao Lyu , Kun Liu , Anna Zhu , Seiichi Uchida , Brian Kenji Iwana

Text classification, as the task consisting in assigning categories to textual instances, is a very common task in information science. Methods learning distributed representations of words, such as word embeddings, have become popular in…

Computation and Language · Computer Science 2020-12-15 Arkaitz Zubiaga