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Neural language models (LM) trained on diverse corpora are known to work well on previously seen entities, however, updating these models with dynamically changing entities such as place names, song titles and shopping items requires…

计算与语言 · 计算机科学 2021-09-16 Ravi Teja Gadde , Ivan Bulyko

Background. Endowing intelligent systems with semantic data commonly requires designing and instantiating ontologies with domain-specific knowledge. Especially in the early phases, those activities are typically performed manually by human…

人工智能 · 计算机科学 2025-01-24 Giovanni Ciatto , Andrea Agiollo , Matteo Magnini , Andrea Omicini

The rapid evolution of large language models (LLMs) has opened up new possibilities for applications such as context-driven product recommendations. However, the effectiveness of these models in this context is heavily reliant on their…

信息检索 · 计算机科学 2024-07-31 Sarthak Anand , Yutong Jiang , Giorgi Kokaia

An ontology makes a special vocabulary which describes the domain of interest and the meaning of the term on that vocabulary. Based on the precision of the specification, the concept of the ontology contains several data and conceptual…

信息检索 · 计算机科学 2019-10-01 Maryam Alizadeh , Maliheh Heydarpour Shahrezaei , Farajollah Tahernezhad-Javazm

Large language models (LLMs) have attracted considerable attention in various fields for their cost-effective solutions to diverse challenges, especially with advancements in instruction tuning and quantization. E-commerce, with its complex…

计算与语言 · 计算机科学 2024-08-07 Zhaopeng Feng , Zijie Meng , Zuozhu Liu

Electronic commerce, or e-commerce, is the buying and selling of goods and services, or the transmitting of funds or data online. E-commerce platforms come in many kinds, with global players such as Amazon, Airbnb, Alibaba, eBay and…

信息检索 · 计算机科学 2025-01-28 Zhaochun Ren , Xiangnan He , Dawei Yin , Maarten de Rijke

In this paper, we propose a framework of knowledge for an agriculture ontology which can be used for the purpose of smart agriculture systems. This ontology not only includes basic concepts in the agricultural domain but also contains…

信息检索 · 计算机科学 2018-11-19 Quoc Hung Ngo , Nhien-An Le-Khac , Tahar Kechadi

Same-style products retrieval plays an important role in e-commerce platforms, aiming to identify the same products which may have different text descriptions or images. It can be used for similar products retrieval from different suppliers…

信息检索 · 计算机科学 2023-02-21 Ben Chen , Linbo Jin , Xinxin Wang , Dehong Gao , Wen Jiang , Wei Ning

Classifying entities in domain ontologies under upper ontology classes is a recommended task in ontology engineering to facilitate semantic interoperability and modelling consistency. Integrating upper ontologies this way is difficult and,…

数字图书馆 · 计算机科学 2018-10-12 Robert Stevens , Phillip Lord , James Malone , Nicolas Matentzoglu

Classifying products into categories precisely and efficiently is a major challenge in modern e-commerce. The high traffic of new products uploaded daily and the dynamic nature of the categories raise the need for machine learning models…

计算机视觉与模式识别 · 计算机科学 2016-11-30 Tom Zahavy , Alessandro Magnani , Abhinandan Krishnan , Shie Mannor

Approaches to goal-directed behaviour including online planning and opportunistic planning tackle a change in the environment by generating alternative goals to avoid failures or seize opportunities. However, current approaches only address…

人工智能 · 计算机科学 2019-04-09 Mohannad Babli , Eva Onaindia , Eliseo Marzal

Active learning is a promising alternative to alleviate the issue of high annotation cost in the computer vision tasks by consciously selecting more informative samples to label. Active learning for object detection is more challenging and…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Jiaxi Wu , Jiaxin Chen , Di Huang

Online shopping platforms, such as Amazon and AliExpress, are increasingly prevalent in society, helping customers purchase products conveniently. With recent progress in natural language processing, researchers and practitioners shift…

计算与语言 · 计算机科学 2024-11-25 Jie Zou , Jimmy Xiangji Huang , Zhaochun Ren , Evangelos Kanoulas

With the development of the Semantic Web technology, the use of ontologies to store and retrieve information covering several domains has increased. However, very few ontologies are able to cope with the ever-growing need of frequently…

计算与语言 · 计算机科学 2020-04-24 Mohammed Maree , Mohammed Belkhatir

Our goal in this research is to study a more realistic environment in which we can conduct weakly-supervised multi-modal instance-level product retrieval for fine-grained product categories. We first contribute the Product1M datasets, and…

多媒体 · 计算机科学 2022-06-20 Xiao Dong , Xunlin Zhan , Yunchao Wei , Xiaoyong Wei , Yaowei Wang , Minlong Lu , Xiaochun Cao , Xiaodan Liang

Semantic web is the next generation web, which concerns the meaning of web documents It has the immense power to pull out the most relevant information from the web pages, which is also meaningful to any user, using software agents. In…

信息检索 · 计算机科学 2011-02-01 Debajyoti Mukhopadhyay , Chandrima Chakrabarti , Sounak Chakravorty

E-commerce platforms categorize their products into a multi-level taxonomy tree with thousands of leaf categories. Conventional methods for product categorization are typically based on machine learning classification algorithms. These…

计算与语言 · 计算机科学 2018-12-17 Maggie Yundi Li , Stanley Kok , Liling Tan

In this paper we apply active learning algorithms for dynamic pricing in a prominent e-commerce website. Dynamic pricing involves changing the price of items on a regular basis, and uses the feedback from the pricing decisions to update…

机器学习 · 统计学 2018-02-12 Ravi Ganti , Matyas Sustik , Quoc Tran , Brian Seaman

Advanced Persistent Threats (APTs) pose a severe challenge to cyber defense due to their stealthy behavior and the extreme class imbalance inherent in detection datasets. To address these issues, we propose a novel active learning-based…

机器学习 · 计算机科学 2025-08-27 Sidahmed Benabderrahmane , Talal Rahwan

Product search is one of the most popular methods for customers to discover products online. Most existing studies on product search focus on developing effective retrieval models that rank items by their likelihood to be purchased. They,…

信息检索 · 计算机科学 2019-09-17 Qingyao Ai , Yongfeng Zhang , Keping Bi , W. Bruce Croft