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Recent advances in Session-based recommender systems have gained attention due to their potential of providing real-time personalized recommendations with high recall, especially when compared to traditional methods like matrix…

Information Retrieval · Computer Science 2019-08-23 José Antonio Sánchez Rodríguez , Jui-Chieh Wu , Mustafa Khandwawala

Most conversational recommendation approaches are either not explainable, or they require external user's knowledge for explaining or their explanations cannot be applied in real time due to computational limitations. In this work, we…

Artificial Intelligence · Computer Science 2021-03-23 Nikolaos Kondylidis , Jie Zou , Evangelos Kanoulas

The research on intent-enhanced sequential recommendation algorithms focuses on how to better mine dynamic user intent based on user behavior data for sequential recommendation tasks. Various data augmentation methods are widely applied in…

Information Retrieval · Computer Science 2024-10-14 Shuai Chen , Zhoujun Li

We introduce SetBERT, a fine-tuned BERT-based model designed to enhance query embeddings for set operations and Boolean logic queries, such as Intersection (AND), Difference (NOT), and Union (OR). SetBERT significantly improves retrieval…

Computation and Language · Computer Science 2024-06-27 Quan Mai , Susan Gauch , Douglas Adams

Traditional recommender systems primarily rely on a single type of user-item interaction, such as item purchases or ratings, to predict user preferences. However, in real-world scenarios, users engage in a variety of behaviors, such as…

Information Retrieval · Computer Science 2025-03-11 Kyungho Kim , Sunwoo Kim , Geon Lee , Jinhong Jung , Kijung Shin

Recommender systems have become an essential tool to help resolve the information overload problem in recent decades. Traditional recommender systems, however, suffer from data sparsity and cold start problems. To address these issues, a…

Information Retrieval · Computer Science 2020-07-21 Zhu Sun , Qing Guo , Jie Yang , Hui Fang , Guibing Guo , Jie Zhang , Robin Burke

In this paper we develop a novel recommendation model that explicitly incorporates time information. The model relies on an embedding layer and TSL attention-like mechanism with inner products in different vector spaces, that can be thought…

Recommender systems (RSs) have been playing an increasingly important role for informed consumption, services, and decision-making in the overloaded information era and digitized economy. In recent years, session-based recommender systems…

Information Retrieval · Computer Science 2021-05-18 Shoujin Wang , Longbing Cao , Yan Wang , Quan Z. Sheng , Mehmet Orgun , Defu Lian

Sequential recommendation predicts users' next behaviors with their historical interactions. Recommending with longer sequences improves recommendation accuracy and increases the degree of personalization. As sequences get longer, existing…

Information Retrieval · Computer Science 2022-09-05 Qianying Lin , Wen-Ji Zhou , Yanshi Wang , Qing Da , Qing-Guo Chen , Bing Wang

The mental health assessment of middle school students has always been one of the focuses in the field of education. This paper introduces a new ensemble learning network based on BERT, employing the concept of enhancing model performance…

Computation and Language · Computer Science 2024-08-12 Kai Jiang , Honghao Yang , Yuexian Wang , Qianru Chen , Yiming Luo

Recommending points of interest (POIs) is a challenging task that requires extracting comprehensive location data from location-based social media platforms. To provide effective location-based recommendations, it's important to analyze…

Information Retrieval · Computer Science 2023-05-17 Syed Raza Bashir , Shaina Raza , Vojislav Misic

Attribute-aware sequential recommendation entails predicting the next item a user will interact with based on a chronologically ordered history of past interactions, enriched with item attributes. Existing methods typically leverage…

Information Retrieval · Computer Science 2026-05-08 Shereen Elsayed , Ngoc Son Le , Ahmed Rashed , Lars Schmidt-Thieme

Session-based recommendation (SR) predicts the next items from a sequence of previous items consumed by an anonymous user. Most existing SR models focus only on modeling intra-session characteristics but pay less attention to inter-session…

Information Retrieval · Computer Science 2022-01-05 Minjin Choi , Jinhong Kim , Joonsek Lee , Hyunjung Shim , Jongwuk Lee

Current language models are usually trained using a self-supervised scheme, where the main focus is learning representations at the word or sentence level. However, there has been limited progress in generating useful discourse-level…

Computation and Language · Computer Science 2021-09-13 Vladimir Araujo , Andrés Villa , Marcelo Mendoza , Marie-Francine Moens , Alvaro Soto

Nowadays, web search becomes more and more popular all over the world. Many researchers and developers have done lots of studies on behaviors of search users. In practice, the full understanding of these behaviors can not only help to…

Information Retrieval · Computer Science 2018-06-25 Chao Liu , Zhenzhen Zheng , Jinkang Jia

Motivated by the increasing use of online appointment booking platforms, we study how to offer appointment slots to customers in order to maximize the total number of slots booked. We develop two models, non-sequential offering and…

Optimization and Control · Mathematics 2017-12-25 Nan Liu , Peter M. van de Ven , Bo Zhang

Sequential recommender systems have become increasingly important in real-world applications that model user behavior sequences to predict their preferences. However, existing sequential recommendation methods predominantly rely on…

Information Retrieval · Computer Science 2025-06-05 Enze Liu , Bowen Zheng , Xiaolei Wang , Wayne Xin Zhao , Jinpeng Wang , Sheng Chen , Ji-Rong Wen

Modern music streaming services are heavily based on recommendation engines to serve content to users. Sequential recommendation -- continuously providing new items within a single session in a contextually coherent manner -- has been an…

Information Retrieval · Computer Science 2024-09-12 Pavan Seshadri , Shahrzad Shashaani , Peter Knees

Although a variety of methods have been proposed for sequential recommendation, it is still far from being well solved partly due to two challenges. First, the existing methods often lack the simultaneous consideration of the global…

Information Retrieval · Computer Science 2022-08-10 Lihua Chen , Ning Yang , Philip S Yu

Predicting users' preferences based on their sequential behaviors in history is challenging and crucial for modern recommender systems. Most existing sequential recommendation algorithms focus on transitional structure among the sequential…

Information Retrieval · Computer Science 2020-02-06 Jibang Wu , Renqin Cai , Hongning Wang