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As a parameter efficient fine-tuning (PEFT) method, low-rank adaptation (LoRA) can save significant costs in storage and computing, but its strong adaptability to a single task is often accompanied by insufficient cross-task generalization…

Machine Learning · Computer Science 2025-09-24 Shaoheng Wang , Yao Lu , Yuqi Li , Yaxin Gao , Jiaqi Nie , Shanqing Yu , Yingli Tian , Qi Xuan

Loop transformations are semantics-preserving optimization techniques, widely used to maximize objectives such as parallelism. Despite decades of research, applying the optimal composition of loop transformations remains challenging due to…

Programming Languages · Computer Science 2025-12-19 Yijie Zhi , Yayu Cao , Jianhua Dai , Xiaoyang Han , Jingwen Pu , Qingran Wu , Sheng Cheng , Ming Cai

Preference optimization methods have been successfully applied to improve not only the alignment of large language models (LLMs) with human values, but also specific natural language tasks such as summarization and stylistic continuations.…

Machine Learning · Computer Science 2025-02-06 Salem Lahlou , Abdalgader Abubaker , Hakim Hacid

Optimizing black-box functions is a fundamental problem in science and engineering. To solve this problem, many approaches learn a surrogate function that estimates the underlying objective from limited historical evaluations. Large…

Machine Learning · Computer Science 2025-10-23 Tung Nguyen , Aditya Grover

We investigate a family of $(\mu+\lambda)$ Genetic Algorithms (GAs) which creates offspring either from mutation or by recombining two randomly chosen parents. By scaling the crossover probability, we can thus interpolate from a fully…

Neural and Evolutionary Computing · Computer Science 2021-02-16 Furong Ye , Hao Wang , Carola Doerr , Thomas Bäck

The advent of large language models (LLMs) has revolutionized natural language processing, enabling unprecedented capabilities in understanding and generating human-like text. However, the computational cost and convergence times associated…

Computation and Language · Computer Science 2024-11-26 Kerim Büyükakyüz

We seek to automate the design of molecules based on specific chemical properties. Our primary contributions are a simpler method for generating SMILES strings guaranteed to be chemically valid, using a combination of a new context-free…

Machine Learning · Computer Science 2018-11-29 Egor Kraev

Machine learning based methods have shown potential for optimizing existing molecules with more desirable properties, a critical step towards accelerating new chemical discovery. Here we propose QMO, a generic query-based molecule…

Machine Learning · Computer Science 2022-04-21 Samuel Hoffman , Vijil Chenthamarakshan , Kahini Wadhawan , Pin-Yu Chen , Payel Das

Large Language Models (LLMs) are highly resource-intensive to fine-tune due to their enormous size. While low-rank adaptation is a prominent parameter-efficient fine-tuning approach, it suffers from sensitivity to hyperparameter choices,…

Mixed-integer linear programming (MILP) is widely employed for modeling combinatorial optimization problems. In practice, similar MILP instances with only coefficient variations are routinely solved, and machine learning (ML) algorithms are…

Optimization and Control · Mathematics 2023-03-07 Qingyu Han , Linxin Yang , Qian Chen , Xiang Zhou , Dong Zhang , Akang Wang , Ruoyu Sun , Xiaodong Luo

Antibody lead optimization is inherently a multi-objective challenge in drug discovery. Achieving a balance between different drug-like properties is crucial for the development of viable candidates, and this search becomes exponentially…

Machine Learning · Computer Science 2026-04-16 Jackie Rao , Ferran Gonzalez Hernandez , Leon Gerard , Alexandra Gessner

We propose a novel molecular fingerprint-based variational autoencoder applied for molecular generation on real-world drug molecules. We define more suitable and pharma-relevant baseline metrics and tests, focusing on the generation of…

Machine Learning · Computer Science 2022-11-17 Ruslan N. Tazhigulov , Joshua Schiller , Jacob Oppenheim , Max Winston

In order to automate AI research we introduce a full, end-to-end framework, OMEGA: Optimizing Machine learning by Evaluating Generated Algorithms, that starts at idea generation and ends with executable code. Our system combines structured…

Artificial Intelligence · Computer Science 2026-04-30 Jeremy Nixon , Annika Singh

This paper develops an ensemble method for fine-tuning a language model to multiple datasets. Existing methods, such as quantized LoRA (QLoRA), are efficient when adapting to a single dataset. When training on multiple datasets of different…

Machine Learning · Computer Science 2025-05-29 Dongyue Li , Ziniu Zhang , Lu Wang , Hongyang R. Zhang

Medical Vision-Language Models (Med-VLMs) have demonstrated remarkable performance across diverse medical imaging tasks by leveraging large-scale image-text pretraining. However, their confidence calibration is largely unexplored, and so…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Abhishek Basu , Fahad Shamshad , Ashshak Sharifdeen , Karthik Nandakumar , Muhammad Haris Khan

Challenges in natural sciences can often be phrased as optimization problems. Machine learning techniques have recently been applied to solve such problems. One example in chemistry is the design of tailor-made organic materials and…

Neural and Evolutionary Computing · Computer Science 2020-01-17 AkshatKumar Nigam , Pascal Friederich , Mario Krenn , Alán Aspuru-Guzik

The training of molecular models of quantum mechanical properties based on statistical machine learning requires large datasets which exemplify the map from chemical structure to molecular property. Intelligent a priori selection of…

As AI-based code generation becomes widespread, researchers are investigating the calibration of code LLMs - ensuring their confidence scores faithfully represent the true likelihood of code correctness. To do so, we investigate…

Software Engineering · Computer Science 2025-12-10 Viola Campos , Robin Kuschnereit , Adrian Ulges

Selecting the optimal combination of a machine learning (ML) algorithm and its hyper-parameters is crucial for the development of high-performance ML systems. However, since the combination of ML algorithms and hyper-parameters is enormous,…

Machine Learning · Computer Science 2025-02-14 Kazuki Ishikawa , Ryota Ozaki , Yohei Kanzaki , Ichiro Takeuchi , Masayuki Karasuyama

Molecular representation learning plays a crucial role in various downstream tasks, such as molecular property prediction and drug design. To accurately represent molecules, Graph Neural Networks (GNNs) and Graph Transformers (GTs) have…

Machine Learning · Computer Science 2025-02-07 Jingjing Hu , Dan Guo , Zhan Si , Deguang Liu , Yunfeng Diao , Jing Zhang , Jinxing Zhou , Meng Wang