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The focus of this paper is the calculation of similarity between two concepts from an ontology for a Human-Like Interaction system. In order to facilitate this calculation, a similarity function is proposed based on five dimensions (sort,…

Artificial Intelligence · Computer Science 2014-01-21 Esperanza Albacete , Javier Calle , Elena Castro , Dolores Cuadra

While existing social networking services tend to connect people who know each other, people show a desire to also connect to yet unknown people in physical proximity. Existing research shows that people tend to connect to similar people.…

Social and Information Networks · Computer Science 2019-06-10 Felix Beierle

Words and phrases acquire meaning from the way they are used in society, from their relative semantics to other words and phrases. For computers the equivalent of `society' is `database,' and the equivalent of `use' is `way to search the…

Computation and Language · Computer Science 2007-06-13 Rudi Cilibrasi , Paul M. B. Vitanyi

The past few years has witnessed the great success of recommender systems, which can significantly help users find relevant and interesting items for them in the information era. However, a vast class of researches in this area mainly focus…

Information Retrieval · Computer Science 2012-04-10 Xiao Hu , Chuibo Chen , Xiaolong Chen , Zi-Ke Zhang

With the urbanization and development of infrastructure, the community search over road networks has become increasingly important in many real applications such as urban/city planning, social study on local communities, and community…

Databases · Computer Science 2022-04-29 Niranjan Rai , Xiang Lian

Computational notebook software such as Jupyter Notebook is popular for data science tasks. Numerous computational notebooks are available on the Web and reusable; however, searching for computational notebooks manually is a tedious task,…

Information Retrieval · Computer Science 2022-02-01 Misato Horiuchi , Yuya Sasaki , Chuan Xiao , Makoto Onizuka

Distributional semantics models derive word space from linguistic items in context. Meaning is obtained by defining a distance measure between vectors corresponding to lexical entities. Such vectors present several problems. In this paper…

Computation and Language · Computer Science 2017-12-25 Jakub Dutkiewicz , Czesław Jędrzejek

Extracting query-document relevance from the sparse, biased clickthrough log is among the most fundamental tasks in the web search system. Prior art mainly learns a relevance judgment model with semantic features of the query and document…

Information Retrieval · Computer Science 2022-08-17 Lixin Zou , Changying Hao , Hengyi Cai , Suqi Cheng , Shuaiqiang Wang , Wenwen Ye , Zhicong Cheng , Simiu Gu , Dawei Yin

Predicting the emergence of future research collaborations between authors in academic social networks (SNs) is a very effective example that demonstrates the link prediction problem. This problem refers to predicting the potential…

Social and Information Networks · Computer Science 2025-09-23 Doaa Hassan , Mohammad Al Hasan

In recent years, huge amounts of unstructured textual data on the Internet are a big difficulty for AI algorithms to provide the best recommendations for users and their search queries. Since the Internet became widespread, a lot of…

Machine Learning · Computer Science 2019-11-04 Marko Mihajlovic , Ning Xiong

The Forward-Forward (FF) algorithm offers a biologically plausible alternative to backpropagation, enabling neural networks to learn through local updates. However, FF's efficacy relies heavily on the definition of "goodness", which is a…

Machine Learning · Computer Science 2025-11-25 Arya Shah , Vaibhav Tripathi

While the similarity between two concept words has been evaluated and studied for decades, much less attention has been devoted to algorithms that can compute the similarity of nodes in very large knowledge graphs, like Wikidata. To…

Artificial Intelligence · Computer Science 2021-08-13 Filip Ilievski , Pedro Szekely , Gleb Satyukov , Amandeep Singh

To foster an active and engaged community, social networks employ recommendation algorithms that filter large amounts of contents and provide a user with personalized views of the network. Popular social networks such as Facebook and…

Information Retrieval · Computer Science 2018-11-26 Jan Trienes , Andrés Torres Cano , Djoerd Hiemstra

Actual social networks (like Facebook, Twitter, Linkedin, ...) need to deal with vagueness on ontological indeterminacy. In this paper is analyzed the prototyping of a faceted semantic search for personalized social search using the "joint…

Information Retrieval · Computer Science 2012-03-01 Massimiliano Dal Mas

We propose novel recommendation algorithms to improve fairness in networks. Fairness is measured by how close different nodes are to influencers in the network. To allow for easy comparison of fairness across graphs of different sizes, our…

Social and Information Networks · Computer Science 2022-01-11 Naisha Agarwal

Bipartite graphs are widely used to model relationships between entities of different types, where nodes are divided into two disjoint sets. Similarity search, a fundamental operation that retrieves nodes similar to a given query node,…

Data Structures and Algorithms · Computer Science 2025-12-15 Xi Ou , Longlong Lin , Zeli Wang , Pingpeng Yuan , Rong-Hua Li

The key to personalized search is to build the user profile based on historical behaviour. To deal with the users who lack historical data, group based personalized models were proposed to incorporate the profiles of similar users when…

Information Retrieval · Computer Science 2021-11-25 Yujia Zhou , Zhicheng Dou , Bingzheng Wei , Ruobing Xievand Ji-Rong Wen

This article reviews the problem of degree of closeness and interaction level in a social network by ranking users based on similarity score. This similarity is measured on the basis of social, geographic, educational, professional, shared…

Social and Information Networks · Computer Science 2014-08-15 Vasavi Akhila Dabeeru

Recent research has unveiled the importance of online social networks for improving the quality of recommender systems and encouraged the research community to investigate better ways of exploiting the social information for…

Information Retrieval · Computer Science 2016-08-08 Emanuel Lacic , Dominik Kowald , Lukas Eberhard , Christoph Trattner , Denis Parra , Leandro Marinho

Similarities between entities occur frequently in many real-world scenarios. For over a century, researchers in different fields have proposed a range of approaches to measure the similarity between entities. More recently, inspired by…

Artificial Intelligence · Computer Science 2023-03-21 Giovanni Amendola , Marco Manna , Aldo Ricioppo