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A typical pipeline for Zero-Shot Learning (ZSL) is to integrate the visual features and the class semantic descriptors into a multimodal framework with a linear or bilinear model. However, the visual features and the class semantic…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Zhong Ji , Yunxin Sun , Yulong Yu , Jichang Guo , Yanwei Pang

Users are rarely familiar with the content of a data source they are querying, and therefore cannot avoid using keywords that do not exist in the data source. Traditional systems may respond with an empty result, causing dissatisfaction,…

Databases · Computer Science 2017-03-08 Mehdi Naseriparsa , Md. Saiful Islam , Chengfei Liu , Irene Moser

The Zero-Shot Learning (ZSL) task pertains to the identification of entities or relations in texts that were not seen during training. ZSL has emerged as a critical research area due to the scarcity of labeled data in specific domains, and…

Computation and Language · Computer Science 2023-07-26 Gabriele Picco , Marcos Martínez Galindo , Alberto Purpura , Leopold Fuchs , Vanessa López , Hoang Thanh Lam

Zero-shot learning (ZSL) for image classification focuses on recognizing novel categories that have no labeled data available for training. The learning is generally carried out with the help of mid-level semantic descriptors associated…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Debasmit Das , C. S. George Lee

We study the problem of event extraction from text data, which requires both detecting target event types and their arguments. Typically, both the event detection and argument detection subtasks are formulated as supervised sequence…

Computation and Language · Computer Science 2020-10-23 Rui Feng , Jie Yuan , Chao Zhang

Sentence-level relation extraction (RE) aims to identify the relationship between 2 entities given a contextual sentence. While there have been many attempts to solve this problem, the current solutions have a lot of room to improve. In…

Computation and Language · Computer Science 2023-07-04 N Harsha Vardhan , Manav Chaudhary

Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

Computation and Language · Computer Science 2023-08-24 Yerong Li , Roxana Girju

Zero-shot entity linking (EL) aims at aligning entity mentions to unseen entities to challenge the generalization ability. Previous methods largely focus on the candidate retrieval stage and ignore the essential candidate ranking stage,…

Computation and Language · Computer Science 2023-10-31 Zhenran Xu , Yulin Chen , Baotian Hu , Min Zhang

We present a novel problem setting in zero-shot learning, zero-shot object recognition and detection in the context. Contrary to the traditional zero-shot learning methods, which simply infers unseen categories by transferring knowledge…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Ruotian Luo , Ning Zhang , Bohyung Han , Linjie Yang

In this paper, we propose a salient-context based semantic matching method to improve relevance ranking in information retrieval. We first propose a new notion of salient context and then define how to measure it. Then we show how the most…

Information Retrieval · Computer Science 2019-09-04 Yuanyuan Qi , Jiayue Zhang , Weiran Xu , Jun Guo

We cast a suite of information extraction tasks into a text-to-triple translation framework. Instead of solving each task relying on task-specific datasets and models, we formalize the task as a translation between task-specific input text…

Computation and Language · Computer Science 2021-09-24 Chenguang Wang , Xiao Liu , Zui Chen , Haoyun Hong , Jie Tang , Dawn Song

A similarity join aims to find all similar pairs between two collections of records. Established approaches usually deal with synthetic differences like typos and abbreviations, but neglect the semantic relations between words. Such…

Information Retrieval · Computer Science 2018-10-30 Pengfei Xu , Jiaheng Lu

Zero-shot inference is a powerful paradigm that enables the use of large pretrained models for downstream classification tasks without further training. However, these models are vulnerable to inherited biases that can impact their…

Machine Learning · Computer Science 2024-02-13 Dyah Adila , Changho Shin , Linrong Cai , Frederic Sala

Identifying semantically equivalent sentences is important for many cross-lingual and mono-lingual NLP tasks. Current approaches to semantic equivalence take a loose, sentence-level approach to "equivalence," despite previous evidence that…

Computation and Language · Computer Science 2022-10-07 Shira Wein , Zhuxin Wang , Nathan Schneider

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

The goal of case-based retrieval is to assist physicians in the clinical decision making process, by finding relevant medical literature in large archives. We propose a research that aims at improving the effectiveness of case-based…

Information Retrieval · Computer Science 2018-11-28 Stefano Marchesin

Semantic parsing, i.e., the automatic derivation of meaning representation such as an instantiated predicate-argument structure for a sentence, plays a critical role in deep processing of natural language. Unlike all other top systems of…

Computation and Language · Computer Science 2014-01-25 Hai Zhao , Xiaotian Zhang , Chunyu Kit

Recent advances in large language and vision-language models have enabled zero-shot inference, allowing models to solve new tasks without task-specific training. Various adaptation techniques such as prompt engineering, In-Context Learning…

Machine Learning · Computer Science 2025-04-04 Artyom Gadetsky , Andrei Atanov , Yulun Jiang , Zhitong Gao , Ghazal Hosseini Mighan , Amir Zamir , Maria Brbic

We propose a novel method for evaluating the performance of a content search system that measures the semantic match between a query and the results returned by the search system. We introduce a metric called "on-topic rate" to measure the…

Information Retrieval · Computer Science 2024-10-30 Chujie Zheng , Jeffrey Wang , Shuqian Albee Zhang , Anand Kishore , Siddharth Singh

Schema matching constitutes a pivotal phase in the data ingestion process for contemporary database systems. Its objective is to discern pairwise similarities between two sets of attributes, each associated with a distinct data table. This…