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Named entity recognition (NER) is a crucial task for online advertisement. State-of-the-art solutions leverage pre-trained language models for this task. However, three major challenges remain unresolved: web queries differ from natural…

信息检索 · 计算机科学 2023-07-03 Simiao Zuo , Pengfei Tang , Xinyu Hu , Qiang Lou , Jian Jiao , Denis Charles

For several purposes in Natural Language Processing (NLP), such as Information Extraction, Sentiment Analysis or Chatbot, Named Entity Recognition (NER) holds an important role as it helps to determine and categorize entities in text into…

计算与语言 · 计算机科学 2020-03-24 Thong Nguyen , Duy Nguyen , Pramod Rao

Multimodal Entity Linking (MEL) is a crucial task that aims at linking ambiguous mentions within multimodal contexts to the referent entities in a multimodal knowledge base, such as Wikipedia. Existing methods focus heavily on using complex…

人工智能 · 计算机科学 2024-08-22 Liu Qi , He Yongyi , Lian Defu , Zheng Zhi , Xu Tong , Liu Che , Chen Enhong

In recent years, multimodal natural language processing, aimed at learning from diverse data types, has garnered significant attention. However, there needs to be more clarity when it comes to analysing multimodal tasks in multi-lingual…

计算与语言 · 计算机科学 2024-06-13 Gaurish Thakkar , Sherzod Hakimov , Marko Tadić

Multimodal entity linking (MEL) aims to utilize multimodal information (usually textual and visual information) to link ambiguous mentions to unambiguous entities in knowledge base. Current methods facing main issues: (1)treating the entire…

人工智能 · 计算机科学 2024-04-11 Shezheng Song , Shasha Li , Shan Zhao , Xiaopeng Li , Chengyu Wang , Jie Yu , Jun Ma , Tianwei Yan , Bin Ji , Xiaoguang Mao

Recent works show that learning contextualized embeddings for words is beneficial for downstream tasks. BERT is one successful example of this approach. It learns embeddings by solving two tasks, which are masked language model (masked LM)…

计算与语言 · 计算机科学 2020-11-10 Çağla Aksoy , Alper Ahmetoğlu , Tunga Güngör

In this work we formulate the problem of image captioning as a multimodal translation task. Analogous to machine translation, we present a sequence-to-sequence recurrent neural networks (RNN) model for image caption generation. Different…

计算机视觉与模式识别 · 计算机科学 2017-08-11 Chang Liu , Fuchun Sun , Changhu Wang , Feng Wang , Alan Yuille

Named entity recognition (NER) aims to identify mentions of named entities in an unstructured text and classify them into predefined named entity classes. While deep learning-based pre-trained language models help to achieve good predictive…

计算与语言 · 计算机科学 2023-06-16 Ali Osman Berk Sapci , Oznur Tastan , Reyyan Yeniterzi

Named entity recognition (NER) is an information extraction technique that aims to locate and classify named entities (e.g., organizations, locations,...) within a document into predefined categories. Correctly identifying these phrases…

计算与语言 · 计算机科学 2021-12-16 Tran Thi Hong Hanh , Antoine Doucet , Nicolas Sidere , Jose G. Moreno , Senja Pollak

An increasingly common expression of online hate speech is multimodal in nature and comes in the form of memes. Designing systems to automatically detect hateful content is of paramount importance if we are to mitigate its undesirable…

Multimodal Entity Linking (MEL) aims at linking ambiguous mentions with multimodal information to entity in Knowledge Graph (KG) such as Wikipedia, which plays a key role in many applications. However, existing methods suffer from…

人工智能 · 计算机科学 2024-08-02 Shezheng Song , Shan Zhao , Chengyu Wang , Tianwei Yan , Shasha Li , Xiaoguang Mao , Meng Wang

Political activity on social media presents a data-rich window into political behavior, but the vast amount of data means that almost all content analyses of social media require a data labeling step. However, most automated machine…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Patrick Y. Wu , Walter R. Mebane

There has been an explosion of multimodal content generated on social media networks in the last few years, which has necessitated a deeper understanding of social media content and user behavior. We present a novel content-independent…

信息检索 · 计算机科学 2019-06-12 Karan Sikka , Lucas Van Bramer , Ajay Divakaran

Named entity recognition (NER) is a fundamental and important task in NLP, aiming at identifying named entities (NEs) from free text. Recently, since the multi-head attention mechanism applied in the Transformer model can effectively…

计算与语言 · 计算机科学 2022-05-17 Jinpeng Hu , Yaling Shen , Yang Liu , Xiang Wan , Tsung-Hui Chang

Adapting named entity recognition (NER) methods to new domains poses significant challenges. We introduce RapidNER, a framework designed for the rapid deployment of NER systems through efficient dataset construction. RapidNER operates…

计算与语言 · 计算机科学 2024-12-16 Jesse Atuhurra , Hidetaka Kamigaito , Hiroki Ouchi , Hiroyuki Shindo , Taro Watanabe

Answering questions that require reading texts in an image is challenging for current models. One key difficulty of this task is that rare, polysemous, and ambiguous words frequently appear in images, e.g., names of places, products, and…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Difei Gao , Ke Li , Ruiping Wang , Shiguang Shan , Xilin Chen

Building multi-modal language models has been a trend in the recent years, where additional modalities such as image, video, speech, etc. are jointly learned along with natural languages (i.e., textual information). Despite the success of…

计算与语言 · 计算机科学 2023-10-30 Mohammad Akbari , Saeed Ranjbar Alvar , Behnam Kamranian , Amin Banitalebi-Dehkordi , Yong Zhang

Nested named entity recognition (NER) aims to identify the entity boundaries and recognize categories of the named entities in a complex hierarchical sentence. Some works have been done using character-level, word-level, or lexicon-level…

计算与语言 · 计算机科学 2022-11-08 Yuan Sui , Fanyang Bu , Yingting Hu , Wei Yan , Liang Zhang

Joint Multimodal Entity-Relation Extraction (JMERE) is a challenging task that aims to extract entities and their relations from text-image pairs in social media posts. Existing methods for JMERE require large amounts of labeled data.…

计算与语言 · 计算机科学 2025-03-25 Li Yuan , Yi Cai , Junsheng Huang

This paper proposes a method for learning joint embeddings of images and text using a two-branch neural network with multiple layers of linear projections followed by nonlinearities. The network is trained using a large margin objective…

计算机视觉与模式识别 · 计算机科学 2016-04-15 Liwei Wang , Yin Li , Svetlana Lazebnik