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In this work we present a systematic empirical study focused on the suitability of the state-of-the-art multilingual encoders for cross-lingual document and sentence retrieval tasks across a number of diverse language pairs. We first treat…

Computation and Language · Computer Science 2021-12-22 Robert Litschko , Ivan Vulić , Simone Paolo Ponzetto , Goran Glavaš

While code large language models have demonstrated remarkable progress in code generation, the generated code often exhibits poor runtime efficiency, limiting its practical application in performance-sensitive scenarios. To address this…

Software Engineering · Computer Science 2025-08-29 Yunlong Feng , Yang Xu , Xiao Xu , Binyuan Hui , Junyang Lin

Within the field of instance segmentation, most of the state-of-the-art deep learning networks rely nowadays on cascade architectures, where multiple object detectors are trained sequentially, re-sampling the ground truth at each step. This…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Leonardo Rossi , Akbar Karimi , Andrea Prati

We present an analysis of large-scale pretrained deep learning models used for cross-modal (text-to-audio) retrieval. We use embeddings extracted by these models in a metric learning framework to connect matching pairs of audio and text.…

Information Retrieval · Computer Science 2022-10-07 Benno Weck , Miguel Pérez Fernández , Holger Kirchhoff , Xavier Serra

Reimplementing solutions to previously solved software engineering problems is not only inefficient but also introduces inadequate and error-prone code. Many existing methods achieve impressive performance on this issue by using…

Software Engineering · Computer Science 2022-10-04 Usama Nadeem , Noah Ziems , Shaoen Wu

Middle training methods aim to bridge the gap between the Masked Language Model (MLM) pre-training and the final finetuning for retrieval. Recent models such as CoCondenser, RetroMAE, and LexMAE argue that the MLM task is not sufficient…

Information Retrieval · Computer Science 2023-06-06 Hervé Déjean , Stéphane Clinchant , Carlos Lassance , Simon Lupart , Thibault Formal

Software clones are beneficial to detect security gaps and software maintenance in one programming language or across multiple languages. The existing work on source clone detection performs well but in a single programming language.…

Software Engineering · Computer Science 2022-05-11 Mohammad A. Yahya , Dae-Kyoo Kim

This paper attacks the challenging problem of video retrieval by text. In such a retrieval paradigm, an end user searches for unlabeled videos by ad-hoc queries described exclusively in the form of a natural-language sentence, with no…

Computer Vision and Pattern Recognition · Computer Science 2021-02-19 Jianfeng Dong , Xirong Li , Chaoxi Xu , Xun Yang , Gang Yang , Xun Wang , Meng Wang

Pre-training on large scale unlabelled datasets has shown impressive performance improvements in the fields of computer vision and natural language processing. Given the advent of large-scale instructional video datasets, a common strategy…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Valentin Gabeur , Arsha Nagrani , Chen Sun , Karteek Alahari , Cordelia Schmid

Classification with a large number of classes is a key problem in machine learning and corresponds to many real-world applications like tagging of images or textual documents in social networks. If one-vs-all methods usually reach top…

Machine Learning · Computer Science 2019-06-25 Thomas Gerald , Aurélia Léon , Nicolas Baskiotis , Ludovic Denoyer

Similarity-preserving hashing is a widely-used method for nearest neighbour search in large-scale image retrieval tasks. For most existing hashing methods, an image is first encoded as a vector of hand-engineering visual features, followed…

Computer Vision and Pattern Recognition · Computer Science 2019-08-17 Hanjiang Lai , Yan Pan , Ye Liu , Shuicheng Yan

Deep hashing has shown to be a complexity-efficient solution for the Approximate Nearest Neighbor search problem in high dimensional space. Many methods usually build the loss function from pairwise or triplet data points to capture the…

Machine Learning · Computer Science 2023-06-21 Yuan Chen , Stéphane Marchand-Maillet

This paper introduces RDA, a pioneering approach designed to address two primary deficiencies prevalent in previous endeavors aiming at stealing pre-trained encoders: (1) suboptimal performances attributed to biased optimization objectives,…

Machine Learning · Computer Science 2024-07-11 Shuchi Wu , Chuan Ma , Kang Wei , Xiaogang Xu , Ming Ding , Yuwen Qian , Tao Xiang

In this paper, designs and analyses of compressive recognition systems are discussed, and also a method of establishing a dual connection between designs of good communication codes and designs of recognition systems is presented. Pattern…

Information Theory · Computer Science 2007-12-24 Po-Hsiang Lai , Joseph A. O'Sullivan

Repository-level code completion remains a challenging task for existing code large language models (code LLMs) due to their limited understanding of repository-specific context and domain knowledge. While retrieval-augmented generation…

Software Engineering · Computer Science 2026-01-28 Tianyue Jiang , Yanli Wang , Yanlin Wang , Daya Guo , Ensheng Shi , Yuchi Ma , Jiachi Chen , Zibin Zheng

Recently, code language models have achieved notable advancements in addressing a diverse array of essential code comprehension and generation tasks. Yet, the field lacks a comprehensive deep dive and understanding of the code embeddings of…

Computation and Language · Computer Science 2023-10-26 Saiteja Utpala , Alex Gu , Pin Yu Chen

One of the primary areas of interest in High Performance Computing is the improvement of performance of parallel workloads. Nowadays, compilable source code-based optimization tasks that employ deep learning often exploit LLVM Intermediate…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-03 Akash Dutta , Ali Jannesari

Semantic hashing is an emerging technique for large-scale similarity search based on representing high-dimensional data using similarity-preserving binary codes used for efficient indexing and search. It has recently been shown that…

Machine Learning · Computer Science 2023-08-11 Ricardo Ñanculef , Francisco Mena , Antonio Macaluso , Stefano Lodi , Claudio Sartori

Retrieval augmentation has become an effective solution to empower large language models (LLMs) with external and verified knowledge sources from the database, which overcomes the limitations and hallucinations of LLMs in handling…

Information Retrieval · Computer Science 2023-11-21 Tong Wu , Yulei Qin , Enwei Zhang , Zihan Xu , Yuting Gao , Ke Li , Xing Sun

Convolutional Neural Networks (CNNs) continue to achieve great success in classification tasks as innovative techniques and complex multi-path architecture topologies are introduced. Neural Architecture Search (NAS) aims to automate the…

Neural and Evolutionary Computing · Computer Science 2023-12-14 Trevor Londt , Xiaoying Gao , Peter Andreae , Yi Mei