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Selecting a solution algorithm for the Facility Layout Problem (FLP), an NP-hard optimization problem with multiobjective trade-off, is a complex task that requires deep expert knowledge. The performance of a given algorithm depends on the…

Information Retrieval · Computer Science 2025-12-17 Nikhil N S , Bilal Muhammed , Soban Babu Beemaraj , Amol Dilip Joshi

Knowledge Graph Embedding methods aim at representing entities and relations in a knowledge base as points or vectors in a continuous vector space. Several approaches using embeddings have shown promising results on tasks such as link…

Computation and Language · Computer Science 2018-11-12 Tommaso Soru , Stefano Ruberto , Diego Moussallem , André Valdestilhas , Alexander Bigerl , Edgard Marx , Diego Esteves

Recently, neural models for information retrieval are becoming increasingly popular. They provide effective approaches for product search due to their competitive advantages in semantic matching. However, it is challenging to use…

Information Retrieval · Computer Science 2019-01-25 Yuan Zhang , Dong Wang , Yan Zhang

Novel research in the field of Linked Data focuses on the problem of entity summarization. This field addresses the problem of ranking features according to their importance for the task of identifying a particular entity. Next to a more…

Artificial Intelligence · Computer Science 2012-04-13 Andreas Thalhammer , Ioan Toma , Antonio Roa-Valverde , Dieter Fensel

Recent advances in graph-based learning approaches have demonstrated their effectiveness in modelling users' preferences and items' characteristics for Recommender Systems (RSS). Most of the data in RSS can be organized into graphs where…

Information Retrieval · Computer Science 2023-03-15 Lemei Zhang , Peng Liu , Jon Atle Gulla

Recent advances in research have demonstrated the effectiveness of knowledge graphs (KG) in providing valuable external knowledge to improve recommendation systems (RS). A knowledge graph is capable of encoding high-order relations that…

Information Retrieval · Computer Science 2020-04-02 Yang Gao , Yi-Fan Li , Yu Lin , Hang Gao , Latifur Khan

Information retrieval systems retrieves relevant documents based on a query submitted by the user. The documents are initially indexed and the words in the documents are assigned weights using a weighting technique called TFIDF which is the…

Information Retrieval · Computer Science 2023-07-13 Kamel Assaf

In recent years, we have witnessed the proliferation of knowledge graphs (KG) in various domains, aiming to support applications like question answering, recommendations, etc. A frequent task when integrating knowledge from different KGs is…

Databases · Computer Science 2023-06-08 Nikolaos Fanourakis , Vasilis Efthymiou , Dimitris Kotzinos , Vassilis Christophides

Knowledge graph (KG) enhanced recommendation has demonstrated improved performance in the recommendation system (RecSys) and attracted considerable research interest. Recently the literature has adopted neural graph networks (GNNs) on the…

Information Retrieval · Computer Science 2022-11-15 Liangwei Yang , Shen Wang , Jibing Gong , Shaojie Zheng , Shuying Du , Zhiwei Liu , Philip S. Yu

We present a framework to generate and evaluate thematic recommendations based on multilayer network representations of knowledge graphs (KGs). In this representation, each layer encodes a different type of relationship in the KG, and…

Information Retrieval · Computer Science 2021-05-13 Mariano Beguerisse-Díaz , Dimitrios Korkinof , Till Hoffmann

Recommendation systems get expanding significance because of their applications in both the scholarly community and industry. With the development of additional data sources and methods of extracting new information other than the rating…

Information Retrieval · Computer Science 2020-05-19 Mohammad Maghsoudi Mehrabani , Hamid Mohayeji , Ali Moeini

Predicting missing facts in a knowledge graph (KG) is a crucial task in knowledge base construction and reasoning, and it has been the subject of much research in recent works using KG embeddings. While existing KG embedding approaches…

Computation and Language · Computer Science 2020-10-09 Xuelu Chen , Muhao Chen , Changjun Fan , Ankith Uppunda , Yizhou Sun , Carlo Zaniolo

Over recent years a lot of research papers and studies have been published on the development of effective approaches that benefit from a large amount of user-generated content and build intelligent predictive models on top of them. This…

Computation and Language · Computer Science 2021-01-21 Mohammad Kasra Habib

In recent years, graphs have gained prominence across various domains, especially in recommendation systems. Within the realm of music recommendation, graphs play a crucial role in enhancing genre-based recommendations by integrating…

Information Retrieval · Computer Science 2025-04-07 Bharani Jayakumar , Orkun Özoğlu

Recommender systems (RSs) have been a widely exploited approach to solving the information overload problem. However, the performance is still limited due to the extreme sparsity of the rating data. With the popularity of Web 2.0, the…

Information Retrieval · Computer Science 2017-05-24 Jianguo Li , Yong Tang , Jiemin Chen

Graph is an important data representation which occurs naturally in the real world applications \cite{goyal2018graph}. Therefore, analyzing graphs provides users with better insights in different areas such as anomaly detection…

Machine Learning · Computer Science 2024-05-06 Elika Bozorgi , Saber Soleimani , Sakher Khalil Alqaiidi , Hamid Reza Arabnia , Krzysztof Kochut

Personalized item recommendation typically suffers from data sparsity, which is most often addressed by learning vector representations of users and items via low-rank matrix factorization. While this effectively densifies the matrix by…

Information Retrieval · Computer Science 2025-02-18 Shib Dasgupta , Michael Boratko , Andrew McCallum

Federated recommendation provides a privacy-preserving solution for training recommender systems without centralizing user interactions. However, existing methods follow an ID-indexed communication paradigm that transmit whole item…

Information Retrieval · Computer Science 2026-01-27 Mingzhe Han , Jiahao Liu , Dongsheng Li , Hansu Gu , Peng Zhang , Ning Gu , Tun Lu

Recommender system research has oftentimes focused on approaches that operate on large-scale datasets containing millions of user interactions. However, many small businesses struggle to apply state-of-the-art models due to their very…

Designing a new clinical trial entails many decisions, such as defining a cohort and setting the study objectives to name a few, and therefore can benefit from recommendations based on exhaustive mining of past clinical trial records. Here,…

Artificial Intelligence · Computer Science 2023-09-29 Murthy V. Devarakonda , Smita Mohanty , Raja Rao Sunkishala , Nag Mallampalli , Xiong Liu