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Several approaches have been recently proposed for community search in bipartite graphs. These methods have shown promising results in identifying communities in real-world bipartite networks, such as social and biological networks. Given a…

Social and Information Networks · Computer Science 2026-04-09 Kovan A. Bavi , Xiang Lian

Community search over large graphs is a fundamental problem in graph analysis. Recent studies propose to compute top-k influential communities, where each reported community not only is a cohesive subgraph but also has a high influence…

Databases · Computer Science 2017-12-15 Fei Bi , Lijun Chang , Xuemin Lin , Wenjie Zhang

We introduce a novel keyword-aware influential community query KICQ that finds the most influential communities from an attributed graph, where an influential community is defined as a closely connected group of vertices having some…

Social and Information Networks · Computer Science 2022-09-14 Md. Saiful Islam , Mohammed Eunus Ali , Yong-Bin Kang , Timos Sellis , Farhana M. Choudhury

Community search in attributed networks poses a dual challenge: balancing structural connectivity -- the network's topological properties -- and attribute similarity -- the shared characteristics of nodes. This paper introduces a novel…

Social and Information Networks · Computer Science 2025-10-28 Nikolaos Georgiadis , Eleftherios Tiakas , Apostolos N. Papadopoulos

Existing temporal community search suffers from two defects: (i) they ignore the temporal proximity between the query vertex $q$ and other vertices but simply require the result to include $q$. Thus, they find many temporal irrelevant…

Data Structures and Algorithms · Computer Science 2023-02-20 Longlong Lin , Pingpeng Yuan , Rong-Hua Li , Chunxue Zhu , Hongchao Qin , Hai Jin , Tao Jia

Public-private graph, where a public network is visible to everyone and every user is also associated with its own small private graph accessed by itself only, widely exists in real-world applications of social networks and financial…

Databases · Computer Science 2026-04-17 Yuqi Chen , Weihan Zhang , Xin Huang

Community search aims to identify a refined set of nodes that are most relevant to a given query, supporting tasks ranging from fraud detection to recommendation. Unlike homophilic graphs, many real-world networks are heterophilic, where…

Social and Information Networks · Computer Science 2026-02-23 Qing Sima , Xiaoyang Wang , Wenjie Zhang

Given a location-based social network, how to find the communities that are highly relevant to query users and have top overall scores in multiple attributes according to user preferences? Typically, in the face of such a problem setting,…

Databases · Computer Science 2021-06-29 Fangda Guo , Ye Yuan , Guoren Wang , Xiangguo Zhao , Hao Sun

Community search, retrieving the cohesive subgraph which contains the query vertex, has been widely touched over the past decades. The existing studies on community search mainly focus on static networks. However, real-world networks…

Social and Information Networks · Computer Science 2022-06-15 Yifei Zhang , Longlong Lin , Pingpeng Yuan , Hai Jin

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

We consider a community finding problem called Co-located Community Detection (CCD) over geo-social networks, which retrieves communities that satisfy both high structural tightness and spatial closeness constraints. To provide a solution…

Databases · Computer Science 2019-09-04 Xiuwen Zheng , Qiyu Liu , Amarnath Gupta

The problem of finding the spatial-aware community for a given node has been defined and investigated in geo-social networks. However, existing studies suffer from two limitations: a) the criteria of defining communities are determined by…

Social and Information Networks · Computer Science 2022-03-30 Li Ni , Hefei Xu , Yiwen Zhang , Wenjian Luo

Community search that finds query-dependent communities has been studied on various kinds of graphs. As one instance of community search, intimate-core group search over a weighted graph is to find a connected $k$-core containing all query…

Social and Information Networks · Computer Science 2019-09-02 Longxu Sun , Xin Huang , Rong-Hua Li , Jianliang Xu

Recently, community search over graphs has attracted significant attention and many algorithms have been developed for finding dense subgraphs from large graphs that contain given query nodes. In applications such as analysis of protein…

Databases · Computer Science 2017-02-15 Xin Huang , Laks V. S. Lakshmanan

Given an attributed graph $G$ and a query node $q$, \underline{C}ommunity \underline{S}earch over \underline{A}ttributed \underline{G}raphs (CS-AG) aims to find a structure- and attribute-cohesive subgraph from $G$ that contains $q$.…

Social and Information Networks · Computer Science 2024-03-01 Yuxiang Wang , Shuzhan Ye , Xiaoliang Xu , Yuxia Geng , Zhenghe Zhao , Xiangyu Ke , Tianxing Wu

Community search over bipartite graphs has attracted significant interest recently. In many applications such as user-item bipartite graph in E-commerce, customer-movie bipartite graph in movie rating website, nodes tend to have attributes,…

Social and Information Networks · Computer Science 2023-03-02 Zongyu Xu , Yihao Zhang , Long Yuan , Yuwen Qian , Zi Chen , Mingliang Zhou , Qin Mao , Weibin Pan

Graphs are widely used in various fields of computer science. They have also found application in unrelated areas, leading to a diverse range of problems. These problems can be modeled as relationships between entities in various contexts,…

Data Structures and Algorithms · Computer Science 2024-05-20 Davide Rucci

Massive amount of data that are geo-tagged and associated with text information are being generated at an unprecedented scale in many emerging applications such as location based services and social networks. Due to their importance, a…

Databases · Computer Science 2018-05-08 Chengyuan Zhang , Lei Zhu , Weiren Yu , Jun Long , Fang Huang , Hongbo Zhao

Aggregated relative search frequencies offer a unique composite signal reflecting people's habits, concerns, interests, intents, and general information needs, which are not found in other readily available datasets. Temporal search trends…

Identifying a preferable route is an important problem that finds applications in map services. When a user plans a trip within a city, the user may want to find "a most popular route such that it passes by shopping mall, restaurant, and…

Databases · Computer Science 2015-03-20 Xin Cao , Lisi Chen , Gao Cong , Xiaokui Xiao
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