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The past few years have witnessed a growing interest in LLM-based recommender systems (RSs), although their industrial deployment remains in a preliminary stage. Most existing deployments leverage LLMs offline as feature enhancers,…

Information Retrieval · Computer Science 2025-04-30 Yunjia Xi , Hangyu Wang , Bo Chen , Jianghao Lin , Menghui Zhu , Weiwen Liu , Ruiming Tang , Zhewei Wei , Weinan Zhang , Yong Yu

Test-time scaling investigates whether a fixed diffusion language model (DLM) can generate better outputs when given more inference compute, without additional training. However, naive best-of-$K$ sampling is fundamentally limited because…

Inference-time scaling has emerged as a powerful alternative to parameter scaling for improving language model performance on complex reasoning tasks. While existing methods have shown strong performance gains under fixed compute budgets,…

Artificial Intelligence · Computer Science 2025-05-21 Giannis Chatziveroglou

Large language models~(LLMs) are instruction followers, but it can be challenging to find the best instruction for different situations, especially for black-box LLMs on which backpropagation is forbidden. Instead of directly optimizing the…

Artificial Intelligence · Computer Science 2023-08-09 Lichang Chen , Jiuhai Chen , Tom Goldstein , Heng Huang , Tianyi Zhou

We introduce RosettaSearch, an inference-time multi-objective optimization approach for backbone conditioned protein sequence design. We use large language models (LLMs) as a generative optimizer within a search algorithm capable of…

Gboard Decoder produces suggestions by looking for paths that best match input touch points on the context aware search space, which is backed by the language Finite State Transducers (FST). The language FST is currently an N-gram language…

Computation and Language · Computer Science 2024-10-22 Yanxiang Zhang , Yuanbo Zhang , Haicheng Sun , Yun Wang , Billy Dou , Gary Sivek , Shumin Zhai

Large Language Models (LLMs) have demonstrated remarkable improvements in reasoning and planning through increased test-time compute, often by framing problem-solving as a search process. While methods like Monte Carlo Tree Search (MCTS)…

Artificial Intelligence · Computer Science 2025-06-06 Nathan Herr , Tim Rocktäschel , Roberta Raileanu

Offline black-box optimization (BBO) aims to find optimal designs based solely on an offline dataset of designs and their labels. Such scenarios frequently arise in domains like DNA sequence design and robotics, where only a few labeled…

Computational Engineering, Finance, and Science · Computer Science 2026-01-22 Ye Yuan , Can , Chen , Zipeng Sun , Dinghuai Zhang , Christopher Pal , Xue Liu

The optimization of high-dimensional black-box functions is a challenging problem. When a low-dimensional linear embedding structure can be assumed, existing Bayesian optimization (BO) methods often transform the original problem into…

Machine Learning · Statistics 2022-11-03 Shuhei A. Horiguchi , Tomoharu Iwata , Taku Tsuzuki , Yosuke Ozawa

Recent work has demonstrated the promise of orchestrating large language models (LLMs) within evolutionary and agentic optimization systems. However, the mechanisms driving these optimization gains remain poorly understood. In this work, we…

Computation and Language · Computer Science 2026-04-22 Xinhao Zhang , Xi Chen , François Portet , Maxime Peyrard

In this paper, we present a novel model for entity disambiguation that combines both local contextual information and global evidences through Limited Discrepancy Search (LDS). Given an input document, we start from a complete solution…

Computation and Language · Computer Science 2019-08-23 Hamed Shahbazi , Xiaoli Z. Fern , Reza Ghaeini , Chao Ma , Rasha Obeidat , Prasad Tadepalli

Three-dimensional integrated circuits (3D ICs) have emerged as a promising solution to the scaling limits of two-dimensional designs, offering higher integration density, shorter interconnects, and improved performance. As design complexity…

Robotics · Computer Science 2025-09-30 Hung-Ying Chu , Guan-Wei Chen , Shao-Yu Wei , Yu-Cheng Lin

Large language Model (LLM)-assisted algorithm discovery is an iterative, black-box optimization process over programs to approximatively solve a target task, where an LLM proposes candidate programs and an external evaluator provides task…

Machine Learning · Computer Science 2026-02-04 Timothee Leleu , Sudeera Gunathilaka , Federico Ghimenti , Surya Ganguli

Synthesizing 3D scenes from open-vocabulary text descriptions is a challenging, important, and recently-popular application. One of its critical subproblems is layout generation: given a set of objects, lay them out to produce a scene…

Recent research has highlighted that Large Language Models (LLMs), even when trained to generate extended long reasoning steps, still face significant challenges on hard reasoning problems. However, much of the existing literature relies on…

Artificial Intelligence · Computer Science 2025-05-29 Fanzeng Xia , Yidong Luo , Tinko Sebastian Bartels , Yaqi Xu , Tongxin Li

This study demonstrates that the modern generation of Large Language Models (LLMs, such as GPT-4) suffers from the same out-of-domain (OOD) performance gap observed in prior research on pre-trained Language Models (PLMs, such as BERT). We…

Computation and Language · Computer Science 2024-12-31 Dmitri Roussinov , Serge Sharoff , Nadezhda Puchnina

Code generation is crucial in software engineering for automating the coding process efficiently. While test-time computation methods show promise, they suffer from high latency due to multiple computation rounds. To overcome this, we…

Software Engineering · Computer Science 2025-05-28 Xiaoqing Zhang , Yuhan Liu , Flood Sung , Xiuying Chen , Shuo Shang , Rui Yan

Object search in large-scale, unstructured environments remains a fundamental challenge in robotics, particularly in dynamic or expansive settings such as outdoor autonomous exploration. This task requires robust spatial reasoning and the…

Robotics · Computer Science 2025-05-29 Lanxiang Zheng , Ruidong Mei , Mingxin Wei , Hao Ren , Hui Cheng

One of the most striking findings in modern research on large language models (LLMs) is that scaling up compute during training leads to better results. However, less attention has been given to the benefits of scaling compute during…

Computation and Language · Computer Science 2024-11-21 Sean Welleck , Amanda Bertsch , Matthew Finlayson , Hailey Schoelkopf , Alex Xie , Graham Neubig , Ilia Kulikov , Zaid Harchaoui

Recent reasoning large language models (LLMs), such as OpenAI o1 and DeepSeek-R1, exhibit strong performance on complex tasks through test-time inference scaling. However, prior studies have shown that these models often incur significant…

Cryptography and Security · Computer Science 2025-06-18 Wai Man Si , Mingjie Li , Michael Backes , Yang Zhang