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Biological classification with interpretability remains a challenging task. For this, we introduce a novel encoding framework, Multi-Scale Reversible Chaos Game Representation (MS-RCGR), that transforms biological sequences into…

Machine Learning · Computer Science 2026-04-21 Sarwan Ali , Taslim Murad

Locating files and functions requiring modification in large software repositories is challenging due to their scale and structural complexity. Existing LLM-based methods typically treat this as a repository-level retrieval task and rely on…

Software Engineering · Computer Science 2026-05-27 Zhaoxi Zhang , Yitong Duan , Yanzhi Zhang , Yiming Xu , Zhixiang Wang , Kun Liang , Weikang Li , Jiahui Liang , Deguo Xia , Jizhou Huang , Jiyan He , Yunfang Wu

Recent advances in retrieval-augmented generation (RAG) have initiated a new era in repository-level code completion. However, the invariable use of retrieval in existing methods exposes issues in both efficiency and robustness, with a…

Software Engineering · Computer Science 2024-06-05 Di Wu , Wasi Uddin Ahmad , Dejiao Zhang , Murali Krishna Ramanathan , Xiaofei Ma

Repository-level code completion automatically predicts the unfinished code based on the broader information from the repository. Recent strides in Code Large Language Models (code LLMs) have spurred the development of repository-level code…

Computation and Language · Computer Science 2025-09-22 Sheng Zhang , Yifan Ding , Shuquan Lian , Shun Song , Hui Li

We study implicit reasoning, i.e. the ability to combine knowledge or rules within a single forward pass. While transformer-based large language models store substantial factual knowledge and rules, they often fail to compose this knowledge…

Computation and Language · Computer Science 2026-04-10 Harsh Kohli , Srinivasan Parthasarathy , Huan Sun , Yuekun Yao

LLMs demonstrate strong performance on code benchmarks, yet consistent reasoning across forward and backward execution remains elusive. We present RoundTripCodeEval (RTCE), a benchmark of four code execution reasoning tasks that evaluates…

Machine Learning · Computer Science 2026-05-05 Nickil Maveli , Antonio Vergari , Shay B. Cohen

Maintaining up-to-date, comprehensive documentation for large codebases is a persistent challenge. Recent progress in automated documentation has moved from template-based rules to large language models (LLMs), yet existing tools still…

Software Engineering · Computer Science 2026-04-30 Dong Xu , Mingwei Liu , Xiwen Wang , Jianfeng Zhong , Zibin Zheng

As code completion task from function-level to repository-level, leveraging contextual information from large-scale codebases becomes a core challenge. However, existing retrieval-augmented generation (RAG) methods typically treat code as…

Software Engineering · Computer Science 2025-12-05 Xinkui Zhao , Rongkai Liu , Yifan Zhang , Chen Zhi , Lufei Zhang , Guanjie Cheng , Yueshen Xu , Shuiguang Deng , Jianwei Yin

Universal Multimodal Retrieval requires unified embedding models capable of interpreting diverse user intents, ranging from simple keywords to complex compositional instructions. While Multimodal Large Language Models (MLLMs) possess strong…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Xiangzhao Hao , Shijie Wang , Tianyu Yang , Tianyue Wang , Haiyun Guo , Jinqiao Wang

Positional encoding (PE) underpins how permutation-invariant Transformers represent sequence order, yet how positional information is processed and stored remains poorly understood. Modern PE methods such as RoPE still struggle on tasks…

Computation and Language · Computer Science 2026-05-29 Pierre-Antoine Lequeu , Camille Barboule , Benjamin Piwowarski

Reasoning over structured graphs remains a fundamental challenge for Large Language Models (LLMs), particularly when scaling to large graphs. Existing approaches typically follow the retrieval-augmented generation (RAG) paradigm: first…

Information Retrieval · Computer Science 2026-03-03 Haoyu Han , Kai Guo , Harry Shomer , Yu Wang , Yucheng Chu , Hang Li , Li Ma , Jiliang Tang

Recent techniques such as retrieval-augmented generation or chain-of-thought reasoning have led to longer contexts and increased inference costs. Context compression techniques can reduce these costs, but the most effective approaches…

Computation and Language · Computer Science 2025-10-24 Hippolyte Pilchen , Edouard Grave , Patrick Pérez

We present GRAPE (Group Representational Position Encoding), a unified framework for positional encoding based on group actions. GRAPE unifies two families of mechanisms: (i) multiplicative rotations (Multiplicative GRAPE) in…

Machine Learning · Computer Science 2026-05-15 Yifan Zhang , Zixiang Chen , Yifeng Liu , Zhen Qin , Huizhuo Yuan , Kangping Xu , Yang Yuan , Quanquan Gu , Andrew Chi-Chih Yao

Reed-Muller (RM) codes are one of the oldest families of codes. Recently, a recursive projection aggregation (RPA) decoder has been proposed, which achieves a performance that is close to the maximum likelihood decoder for short-length RM…

Information Theory · Computer Science 2020-11-30 Dorsa Fathollahi , Nariman Farsad , Seyyed Ali Hashemi , Marco Mondelli

Generating accurate and executable code using Large Language Models (LLMs) remains a significant challenge for underrepresented programming languages, such as Prolog and Lisp, due to the scarcity of public training data compared to…

Machine Learning · Computer Science 2026-05-26 Federico Pennino , Bianca Raimondi , Massimo Rondelli , Andrea Gurioli , Maurizio Gabbrielli

Large Language Models (LLMs) exhibit strong abilities in natural language understanding and generation, yet they struggle with knowledge-intensive reasoning. Structured Knowledge Graphs (KGs) provide an effective form of external knowledge…

Computation and Language · Computer Science 2026-04-15 Shuai Wang , Yinan Yu

Generalizing to unseen graph tasks without task-specific supervision is challenging: conventional graph neural networks are typically tied to a fixed label space, while large language models (LLMs) struggle to capture graph structure. We…

Machine Learning · Computer Science 2025-10-21 Duo Wang , Yuan Zuo , Guangyue Lu , Junjie Wu

The study of representations is of fundamental importance to any form of communication, and our ability to exploit them effectively is paramount. This article presents a novel theory -- Representational Systems Theory -- that is designed to…

Artificial Intelligence · Computer Science 2022-06-08 Daniel Raggi , Gem Stapleton , Mateja Jamnik , Aaron Stockdill , Grecia Garcia Garcia , Peter C-H. Cheng

Despite their remarkable natural language understanding capabilities, Large Language Models (LLMs) have been underutilized for retrieval tasks. We present Search-R3, a novel framework that addresses this limitation by adapting LLMs to…

Computation and Language · Computer Science 2026-04-10 Yuntao Gui , James Cheng

This work introduces self-infilling code generation, a general framework that incorporates infilling operations into auto-regressive decoding. Our approach capitalizes on the observation that recent infilling-capable code language models…

Programming Languages · Computer Science 2024-05-28 Lin Zheng , Jianbo Yuan , Zhi Zhang , Hongxia Yang , Lingpeng Kong