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Learning scientific document representations can be substantially improved through contrastive learning objectives, where the challenge lies in creating positive and negative training samples that encode the desired similarity semantics.…

Computation and Language · Computer Science 2022-10-20 Malte Ostendorff , Nils Rethmeier , Isabelle Augenstein , Bela Gipp , Georg Rehm

A reliable resume-job matching system helps a company recommend suitable candidates from a pool of resumes and helps a job seeker find relevant jobs from a list of job posts. However, since job seekers apply only to a few jobs, interaction…

Computation and Language · Computer Science 2025-03-04 Xiao Yu , Ruize Xu , Chengyuan Xue , Jinzhong Zhang , Xu Ma , Zhou Yu

The success of contextual word representations and advances in neural information retrieval have made dense vector-based retrieval a standard approach for passage and document ranking. While effective and efficient, dual-encoders are…

Information Retrieval · Computer Science 2023-04-11 Daniel Campos , ChengXiang Zhai , Alessandro Magnani

Deep neural networks trained for classification have been found to learn powerful image representations, which are also often used for other tasks such as comparing images w.r.t. their visual similarity. However, visual similarity does not…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Björn Barz , Joachim Denzler

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

Vision-Language Models for remote sensing have shown promising uses thanks to their extensive pretraining. However, their conventional usage in zero-shot scene classification methods still involves dividing large images into patches and…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Karim El Khoury , Maxime Zanella , Benoît Gérin , Tiffanie Godelaine , Benoît Macq , Saïd Mahmoudi , Christophe De Vleeschouwer , Ismail Ben Ayed

Using class labels to represent class similarity is a typical approach to training deep hashing systems for retrieval; samples from the same or different classes take binary 1 or 0 similarity values. This similarity does not model the full…

Information Retrieval · Computer Science 2019-08-16 Heikki Arponen , Tom E Bishop

Recently, various studies have been directed towards exploring dense passage retrieval techniques employing pre-trained language models, among which the masked auto-encoder (MAE) pre-training architecture has emerged as the most promising.…

Information Retrieval · Computer Science 2023-05-23 Zehan Li , Yanzhao Zhang , Dingkun Long , Pengjun Xie

We present NER Retriever, a zero-shot retrieval framework for ad-hoc Named Entity Retrieval, a variant of Named Entity Recognition (NER), where the types of interest are not provided in advance, and a user-defined type description is used…

Information Retrieval · Computer Science 2025-09-05 Or Shachar , Uri Katz , Yoav Goldberg , Oren Glickman

Embedding learning of categorical features (e.g. user/item IDs) is at the core of various recommendation models including matrix factorization and neural collaborative filtering. The standard approach creates an embedding table where each…

Machine Learning · Computer Science 2021-06-08 Wang-Cheng Kang , Derek Zhiyuan Cheng , Tiansheng Yao , Xinyang Yi , Ting Chen , Lichan Hong , Ed H. Chi

In this paper, we propose a novel approach for generalized zero-shot learning in a multi-modal setting, where we have novel classes of audio/video during testing that are not seen during training. We use the semantic relatedness of text…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Pratik Mazumder , Pravendra Singh , Kranti Kumar Parida , Vinay P. Namboodiri

Many image retrieval studies use metric learning to train an image encoder. However, metric learning cannot handle differences in users' preferences, and requires data to train an image encoder. To overcome these limitations, we revisit…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Ryoya Nara , Yu-Chieh Lin , Yuji Nozawa , Youyang Ng , Goh Itoh , Osamu Torii , Yusuke Matsui

Zero-shot Learners are models capable of predicting unseen classes. In this work, we propose a Zero-shot Learning approach for text categorization. Our method involves training model on a large corpus of sentences to learn the relationship…

Computation and Language · Computer Science 2017-12-27 Pushpankar Kumar Pushp , Muktabh Mayank Srivastava

CLIP has demonstrated exceptional image-text matching capabilities due to its training on contrastive learning tasks. Past research has suggested that whereas CLIP effectively matches text to images when the matching can be achieved just by…

Computation and Language · Computer Science 2025-09-17 Omri Suissa , Muhiim Ali , Ariana Azarbal , Hui Shen , Shekhar Pradhan

In some of object recognition problems, labeled data may not be available for all categories. Zero-shot learning utilizes auxiliary information (also called signatures) describing each category in order to find a classifier that can…

Computer Vision and Pattern Recognition · Computer Science 2016-06-01 Seyed Mohsen Shojaee , Mahdieh Soleymani Baghshah

State-of-the-art important passage retrieval methods obtain very good results, but do not take into account privacy issues. In this paper, we present a privacy preserving method that relies on creating secure representations of documents.…

In this work, we introduce a deep-learning framework designed for estimating dense image correspondences. Our fully convolutional model generates dense feature maps for images, where each pixel is associated with a descriptor that can be…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

Generative Retrieval (GR), autoregressively decoding relevant document identifiers given a query, has been shown to perform well under the setting of small-scale corpora. By memorizing the document corpus with model parameters, GR…

Information Retrieval · Computer Science 2024-01-22 Peiwen Yuan , Xinglin Wang , Shaoxiong Feng , Boyuan Pan , Yiwei Li , Heda Wang , Xupeng Miao , Kan Li

This paper introduces and analyzes a search and retrieval model that adopts key semantic communication principles from retrieval-augmented generation. We specifically present an information-theoretic analysis of a remote document retrieval…

Information Retrieval · Computer Science 2025-07-17 Sara Ghasvarianjahromi , Yauhen Yakimenka , Jörg Kliewer

Modeling hypernymy, such as poodle is-a dog, is an important generalization aid to many NLP tasks, such as entailment, coreference, relation extraction, and question answering. Supervised learning from labeled hypernym sources, such as…

Computation and Language · Computer Science 2018-05-31 Haw-Shiuan Chang , ZiYun Wang , Luke Vilnis , Andrew McCallum
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