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Product attribute value extraction plays an important role for many real-world applications in e-Commerce such as product search and recommendation. Previous methods treat it as a sequence labeling task that needs more annotation for…

信息检索 · 计算机科学 2023-10-12 Zhongfen Deng , Wei-Te Chen , Lei Chen , Philip S. Yu

This work presents a new and simple approach for fine-tuning pretrained word embeddings for text classification tasks. In this approach, the class in which a term appears, acts as an additional contextual variable during the fine tuning…

计算与语言 · 计算机科学 2019-12-17 Amr Al-Khatib , Samhaa R. El-Beltagy

Job transitions and upskilling are common actions taken by many industry working professionals throughout their career. With the current rapidly changing job landscape where requirements are constantly changing and industry sectors are…

机器学习 · 计算机科学 2019-07-26 Alan Chern , Phuong Hoang , Madhav Sigdel , Janani Balaji , Mohammed Korayem

A great variety of text tasks such as topic or spam identification, user profiling, and sentiment analysis can be posed as a supervised learning problem and tackle using a text classifier. A text classifier consists of several subprocesses,…

计算与语言 · 计算机科学 2017-09-18 Eric S. Tellez , Daniela Moctezuma , Sabino Miranda-Jímenez , Mario Graff

Tiny object detection is becoming one of the most challenging tasks in computer vision because of the limited object size and lack of information. The label assignment strategy is a key factor affecting the accuracy of object detection.…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Shuohao Shi , Qiang Fang , Tong Zhao , Xin Xu

Two modalities are often used to convey information in a complementary and beneficial manner, e.g., in online news, videos, educational resources, or scientific publications. The automatic understanding of semantic correlations between text…

多媒体 · 计算机科学 2019-06-21 Christian Otto , Matthias Springstein , Avishek Anand , Ralph Ewerth

Document similarity is the problem of estimating the degree to which a given pair of documents has similar semantic content. An accurate document similarity measure can improve several enterprise relevant tasks such as document clustering,…

计算与语言 · 计算机科学 2017-11-15 Gaurav Maheshwari , Priyansh Trivedi , Harshita Sahijwani , Kunal Jha , Sourish Dasgupta , Jens Lehmann

With the recent advance of representation learning algorithms on graphs (e.g., DeepWalk/GraphSage) and natural languages (e.g., Word2Vec/BERT) , the state-of-the art models can even achieve human-level performance over many downstream…

社会与信息网络 · 计算机科学 2024-11-12 Xingzhi Guo

The vocabulary mismatch problem is a long-standing problem in information retrieval. Semantic matching holds the promise of solving the problem. Recent advances in language technology have given rise to unsupervised neural models for…

信息检索 · 计算机科学 2016-11-11 Kezban Dilek Onal , Ismail Sengor Altingovde , Pinar Karagoz , Maarten de Rijke

Word ambiguity removal is a task of removing ambiguity from a word, i.e. correct sense of word is identified from ambiguous sentences. This paper describes a model that uses Part of Speech tagger and three categories for word sense…

计算与语言 · 计算机科学 2013-04-30 Priti Saktel , Urmila Shrawankar

We propose and study a novel supervised approach to learning statistical semantic relatedness models from subjectively annotated training examples. The proposed semantic model consists of parameterized co-occurrence statistics associated…

计算与语言 · 计算机科学 2013-11-12 Ran El-Yaniv , David Yanay

Analyzing the pattern of semantic variation in long real-world texts such as books or transcripts is interesting from the stylistic, cognitive, and linguistic perspectives. It is also useful for applications such as text segmentation,…

计算与语言 · 计算机科学 2023-08-10 Deven M. Mistry , Ali A. Minai

Most speech recognition tasks pertain to mapping words across two modalities: acoustic and orthographic. In this work, we suggest learning encoders that map variable-length, acoustic or phonetic, sequences that represent words into…

机器学习 · 计算机科学 2019-08-02 Mohamed El-Geish

A major computational burden, while performing document clustering, is the calculation of similarity measure between a pair of documents. Similarity measure is a function that assigns a real number between 0 and 1 to a pair of documents,…

信息检索 · 计算机科学 2013-03-19 Muhammad Rafi , Mohammad Shahid Shaikh

To cope with the ever-growing information overload, an increasing number of digital libraries employ content-based recommender systems. These systems traditionally recommend related documents with the help of similarity measures. However,…

信息检索 · 计算机科学 2020-08-04 Malte Ostendorff

A key subtask in lexical substitution is ranking the given candidate words. A common approach is to replace the target word with a candidate in the original sentence and feed the modified sentence into a model to capture semantic…

计算与语言 · 计算机科学 2025-09-16 Zhongyang Hu , Naijie Gu , Xiangzhi Tao , Tianhui Gu , Yibing Zhou

The task of text and sentence classification is associated with the need for large amounts of labelled training data. The acquisition of high volumes of labelled datasets can be expensive or unfeasible, especially for highly-specialised…

计算与语言 · 计算机科学 2021-06-07 Aleksandra Edwards , David Rogers , Jose Camacho-Collados , Hélène de Ribaupierre , Alun Preece

Text classification is one of the most widely studied tasks in natural language processing. Motivated by the principle of compositionality, large multilayer neural network models have been employed for this task in an attempt to effectively…

计算与语言 · 计算机科学 2018-08-07 Devendra Singh Sachan , Manzil Zaheer , Ruslan Salakhutdinov

We introduce and address the problem of ad hoc table retrieval: answering a keyword query with a ranked list of tables. This task is not only interesting on its own account, but is also being used as a core component in many other…

信息检索 · 计算机科学 2018-03-09 Shuo Zhang , Krisztian Balog

Weakly-supervised text classification aims to induce text classifiers from only a few user-provided seed words. The vast majority of previous work assumes high-quality seed words are given. However, the expert-annotated seed words are…

计算与语言 · 计算机科学 2021-04-21 Yiping Jin , Akshay Bhatia , Dittaya Wanvarie