Skyline Community Search over Edge-Attributed Bipartite Graphs
Pith reviewed 2026-05-24 04:21 UTC · model grok-4.3
The pith
Edge-attributed skyline communities preserve structural cohesiveness while capturing dominance across multiple edge attributes in bipartite graphs.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
The central claim is that edge-attributed skyline communities, defined as structurally cohesive subgraphs whose edges are mutually non-dominated under multiple attributes, provide a more complete representation of communities in bipartite graphs than models that consider only structure or single-attribute importance.
What carries the argument
The edge-attributed skyline community (ESC), a subgraph that meets cohesiveness criteria and whose edges form a skyline set with respect to multi-dimensional attributes.
If this is right
- ESC communities exhibit improved precision and diversity compared with prior community models in case studies.
- The peeling algorithm computes ESCs by iteratively deleting edges that carry the minimum attribute value in each dimension.
- The expanding algorithm prunes unpromising vertices early by applying a proven upper bound on their potential contribution.
- Both algorithms scale to large real-world bipartite graphs while preserving the skyline property.
Where Pith is reading between the lines
- The ESC definition could be adapted to temporal bipartite graphs by treating time as an additional attribute dimension.
- Recommendation or fraud-detection pipelines that already use bipartite graphs might substitute ESC communities for ordinary k-core communities to increase result variety.
- Testing whether the same skyline-plus-cohesiveness combination improves community quality on non-bipartite graphs would clarify the model's scope.
Load-bearing premise
Combining standard structural cohesiveness with skyline dominance on multi-dimensional edge attributes produces communities that are meaningfully superior for downstream tasks.
What would settle it
A direct comparison on a labeled bipartite graph dataset in which ESC communities are evaluated against baseline communities on a concrete task such as recommendation precision or cluster purity; if the measured gains in precision and diversity disappear, the model claim is falsified.
Figures
read the original abstract
Bipartite graphs, modeling relationships between two types of entities, are widely used in practical applications. Community search, a fundamental problem in bipartite graphs, has gained significant attention. However, existing studies focus on measuring structural cohesiveness between vertex sets while either ignoring edge attributes or considering only one-dimensional importance. In this paper, we introduce a novel community model, named edge-attributed skyline community (ESC), which preserves structural cohesiveness and captures the inherent dominance of multi-dimensional edge attributes in bipartite graphs. To search for ESCs, we developed an efficient peeling algorithm that iteratively deletes edges with the minimum attribute in each dimension. Additionally, we devised an expanding algorithm to reduce the search space and speed up the filtering of unpromising vertices using a proven upper bound. Extensive experiments on large-scale real-world datasets demonstrate the efficiency, effectiveness, and scalability of our approach. A case study compared with prior arts demonstrates that our design improves the precision and diversity of results.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper introduces the edge-attributed skyline community (ESC) model for bipartite graphs that combines structural cohesiveness (k-core style) with skyline dominance over multi-dimensional edge attributes. It presents a peeling algorithm that iteratively deletes minimum-attribute edges per dimension and an expanding algorithm that prunes via a proven upper bound. Experiments on large real-world datasets report efficiency and scalability; a case study asserts that ESC yields higher precision and diversity than prior community search methods.
Significance. If the algorithmic correctness and experimental claims hold, the work extends community search to attributed bipartite graphs, addressing a gap where prior methods either ignore edge attributes or handle only single dimensions. The peeling and expanding techniques, together with the skyline integration, could be reusable in other multi-attribute graph mining settings. The reported scalability on real datasets is a concrete strength.
major comments (2)
- [Case Study] Case Study section: the assertion that ESC 'improves the precision and diversity of results' compared with prior arts is load-bearing for the central contribution, yet the manuscript supplies neither an explicit, reproducible definition of precision (e.g., overlap with labeled communities or a downstream task) nor a quantitative diversity metric whose improvement is shown to exceed the effect of the skyline filter alone.
- [Experiments] Experiments section: while runtime and scalability results are presented, the effectiveness evaluation reduces to the same case study; without defined ground truth or metrics, the superiority claim cannot be verified and therefore weakens the overall evaluation of the ESC model.
Simulated Author's Rebuttal
We thank the referee for the constructive feedback on our manuscript. The comments highlight important aspects of how the case study and effectiveness claims are presented. We address each point below and indicate planned revisions to strengthen the evaluation.
read point-by-point responses
-
Referee: [Case Study] Case Study section: the assertion that ESC 'improves the precision and diversity of results' compared with prior arts is load-bearing for the central contribution, yet the manuscript supplies neither an explicit, reproducible definition of precision (e.g., overlap with labeled communities or a downstream task) nor a quantitative diversity metric whose improvement is shown to exceed the effect of the skyline filter alone.
Authors: We agree that the current presentation of the case study would be strengthened by explicit, reproducible definitions. In the revised manuscript we will add a dedicated paragraph defining precision as the fraction of community vertices that match a manually curated set of relevant entities (derived from domain inspection of the case-study dataset) and diversity as the mean pairwise Euclidean distance across the multi-dimensional edge-attribute vectors within the community. We will also include an ablation that isolates the skyline component by comparing ESC against a non-skyline k-core baseline on the same data, thereby quantifying the incremental benefit. These additions will make the claims verifiable without altering the underlying experimental results. revision: yes
-
Referee: [Experiments] Experiments section: while runtime and scalability results are presented, the effectiveness evaluation reduces to the same case study; without defined ground truth or metrics, the superiority claim cannot be verified and therefore weakens the overall evaluation of the ESC model.
Authors: We acknowledge that the effectiveness evaluation currently rests on the single case study. To mitigate this, the revised experiments section will incorporate additional quantitative checks on synthetic bipartite graphs with planted communities (where ground-truth membership is known), reporting precision and diversity under controlled attribute distributions. For the real-world datasets that lack external labels, the case study will remain as an illustrative demonstration of practical utility; we will explicitly note this limitation. This hybrid approach addresses the verification concern while respecting the nature of the data. revision: partial
Circularity Check
No circularity: model and algorithms defined independently without reduction to inputs
full rationale
The paper introduces ESC as a direct definition combining k-core-style structural cohesiveness with skyline dominance over multi-dimensional edge attributes. The peeling algorithm is specified as iteratively deleting minimum-attribute edges per dimension, and the expanding algorithm uses a separately proven upper bound to prune vertices; neither step references fitted parameters, prior self-citations as load-bearing premises, or renames existing results. Experiments and the case study are presented as external validation rather than part of any derivation chain. No equation or claim reduces to its own inputs by construction, satisfying the self-contained criterion.
Axiom & Free-Parameter Ledger
axioms (2)
- domain assumption Bipartite graphs are a standard model for relationships between two entity types
- domain assumption Structural cohesiveness can be measured by established metrics such as core numbers or similar density measures
invented entities (1)
-
edge-attributed skyline community (ESC)
no independent evidence
Reference graph
Works this paper leans on
-
[1]
Local search of communities in large graphs,
W. Cui, Y . Xiao, H. Wang, and W. Wang, “Local search of communities in large graphs,” in SIGMOD, 2014, pp. 991–1002
work page 2014
-
[2]
Influential community search in large networks,
R. Li, L. Qin, J. X. Yu, and R. Mao, “Influential community search in large networks,” PVLDB, vol. 8, no. 5, pp. 509–520, 2015
work page 2015
-
[3]
Effective community search over large spatial graphs
Y . Fang, R. Cheng, X. Li, S. Luo, and J. Hu, “Effective community search over large spatial graphs.” PVLDB, vol. 10, no. 6, pp. 709–720, 2017
work page 2017
-
[4]
Effective and efficient attributed community search,
Y . Fang, R. Cheng, Y . Chen, S. Luo, and J. Hu, “Effective and efficient attributed community search,” VLDB Journal, vol. 26, no. 6, pp. 803– 828, 2017
work page 2017
-
[5]
Attribute-driven community search,
X. Huang and L. V . Lakshmanan, “Attribute-driven community search,” PVLDB, vol. 10, no. 9, pp. 949–960, 2017
work page 2017
-
[6]
Skyline community search in multi-valued networks,
R. Li, L. Qin, F. Ye, J. X. Yu, X. Xiao, N. Xiao, and Z. Zheng, “Skyline community search in multi-valued networks,” in SIGMOD, 2018, pp. 457–472
work page 2018
-
[7]
Contextual community search over large social networks,
L. Chen, C. Liu, K. Liao, J. Li, and R. Zhou, “Contextual community search over large social networks,” in ICDE, 2019, pp. 88–99
work page 2019
-
[8]
Efficient attribute-constrained co-located community search,
J. Luo, X. Cao, X. Xie, Q. Qu, Z. Xu, and C. S. Jensen, “Efficient attribute-constrained co-located community search,” in ICDE, 2020, pp. 1201–1212
work page 2020
-
[9]
Vac: vertex- centric attributed community search,
Q. Liu, Y . Zhu, M. Zhao, X. Huang, J. Xu, and Y . Gao, “Vac: vertex- centric attributed community search,” in ICDE, 2020, pp. 937–948
work page 2020
-
[10]
Multi-attributed com- munity search in road-social networks,
F. Guo, Y . Yuan, G. Wang, X. Zhao, and H. Sun, “Multi-attributed com- munity search in road-social networks,” in 2021 IEEE 37th International Conference on Data Engineering (ICDE) . IEEE, 2021, pp. 109–120
work page 2021
-
[11]
The dblp computer science bibliography: Evolution, research issues, perspectives,
M. Ley, “The dblp computer science bibliography: Evolution, research issues, perspectives,” in International symposium on string processing and information retrieval , 2002, pp. 1–10
work page 2002
-
[12]
Unifying user-based and item-based collaborative filtering approaches by similarity fusion,
J. Wang, A. P. De Vries, and M. J. Reinders, “Unifying user-based and item-based collaborative filtering approaches by similarity fusion,” in SIGIR, 2006, pp. 501–508
work page 2006
-
[13]
Efficiently answering reachability and path queries on temporal bipartite graphs,
X. Chen, K. Wang, X. Lin, W. Zhang, L. Qin, and Y . Zhang, “Efficiently answering reachability and path queries on temporal bipartite graphs,” PVLDB, vol. 14, no. 10, p. 1845–1858, 2021
work page 2021
-
[14]
Efficient fault-tolerant group recommendation using alpha-beta-core,
D. Ding, H. Li, Z. Huang, and N. Mamoulis, “Efficient fault-tolerant group recommendation using alpha-beta-core,” in CIKM, 2017, pp. 2047–2050
work page 2017
-
[15]
Efficient (α, β)-core computation: An index-based approach,
B. Liu, L. Yuan, X. Lin, L. Qin, W. Zhang, and J. Zhou, “Efficient (α, β)-core computation: An index-based approach,” in WWW, 2019, pp. 1130–1141
work page 2019
-
[16]
Efficient ( α, β)-core computation in bipartite graphs,
B. Liu, L. Yuan, X. Lin, L. Qin, and J. Zhou, “Efficient ( α, β)-core computation in bipartite graphs,” The VLDB Journal , vol. 29, no. 3, 2020
work page 2020
-
[17]
Bitruss decomposition of bipartite graphs,
Z. Zou, “Bitruss decomposition of bipartite graphs,” in DASFAA, 2016, pp. 218–233
work page 2016
-
[18]
Peeling bipartite networks for dense subgraph discovery,
A. E. Sarıy ¨uce and A. Pinar, “Peeling bipartite networks for dense subgraph discovery,” in WSDM, 2018, pp. 504–512
work page 2018
-
[19]
Efficient bitruss decomposition for large-scale bipartite graphs,
K. Wang, X. Lin, L. Qin, W. Zhang, and Y . Zhang, “Efficient bitruss decomposition for large-scale bipartite graphs,” in ICDE, 2020, pp. 661– 672
work page 2020
-
[20]
Y . Zhang, C. A. Phillips, G. L. Rogers, E. J. Baker, E. J. Chesler, and M. A. Langston, “On finding bicliques in bipartite graphs: a novel algorithm and its application to the integration of diverse biological data types,” BMC bioinformatics, vol. 15, pp. 1–18, 2014
work page 2014
-
[21]
Maximum biclique search at billion scale,
B. Lyu, L. Qin, X. Lin, Y . Zhang, Z. Qian, and J. Zhou, “Maximum biclique search at billion scale,” PVLDB, vol. 13, no. 9, p. 1359–1372, 2020
work page 2020
-
[22]
Efficient personalized maximum biclique search,
K. Wang, W. Zhang, X. Lin, L. Qin, and A. Zhou, “Efficient personalized maximum biclique search,” in ICDE, 2022, pp. 498–511
work page 2022
-
[23]
Efficient and effective community search on large-scale bipartite graphs,
K. Wang, W. Zhang, X. Lin, Y . Zhang, L. Qin, and Y . Zhang, “Efficient and effective community search on large-scale bipartite graphs,” in 2021 IEEE 37th International Conference on Data Engineering (ICDE) . IEEE, 2021, pp. 85–96
work page 2021
-
[24]
Pareto-optimal community search on large bipartite graphs,
Y . Zhang, K. Wang, W. Zhang, X. Lin, and Y . Zhang, “Pareto-optimal community search on large bipartite graphs,” pp. 2647–2656, 2021
work page 2021
-
[25]
Discovering significant communities on bipartite graphs: An index-based approach,
K. Wang, W. Zhang, Y . Zhang, L. Qin, and Y . Zhang, “Discovering significant communities on bipartite graphs: An index-based approach,” TKDE, vol. 35, no. 3, pp. 2471–2485, 2023
work page 2023
-
[26]
Dbpedia: A nucleus for a web of open data,
S. Auer, C. Bizer, G. Kobilarov, J. Lehmann, R. Cyganiak, and Z. Ives, “Dbpedia: A nucleus for a web of open data,” in international semantic web conference. Springer, 2007, pp. 722–735
work page 2007
-
[27]
Improving recommendation lists through topic diversification,
C. N. Ziegler, S. M. Mcnee, J. A. Konstan, and G. Lausen, “Improving recommendation lists through topic diversification,” in The Web Confer- ence, 2005
work page 2005
-
[28]
Learning word vectors for sentiment analysis,
A. L. Maas, R. E. Daly, P. T. Pham, D. Huang, A. Y . Ng, and C. Potts, “Learning word vectors for sentiment analysis,” in Annual meeting of the Association for Computational Linguistics , 2011
work page 2011
-
[29]
The structure of scientific collaboration networks,
M. E. Newman, “The structure of scientific collaboration networks,” Proceedings of the national academy of sciences , vol. 98, no. 2, pp. 404–409, 2001
work page 2001
-
[30]
K-core decom- position of large networks on a single pc,
W. Khaouid, M. Barsky, V . Srinivasan, and A. Thomo, “K-core decom- position of large networks on a single pc,” PVLDB, vol. 9, no. 1, pp. 13–23, 2015
work page 2015
-
[31]
Distributed ( α, β)-core decomposition over bipartite graphs,
Q. Liu, X. Liao, X. Huang, J. Xu, and Y . Gao, “Distributed ( α, β)-core decomposition over bipartite graphs,” in 2023 IEEE 39th International Conference on Data Engineering (ICDE) . IEEE, 2023, pp. 909–921
work page 2023
-
[32]
Local search of communities in large graphs,
W. Cui, Y . Xiao, H. Wang, J. Hong, and W. Wang, “Local search of communities in large graphs,” ACM, 2014
work page 2014
-
[33]
A survey of community search over big graphs,
Y . Fang, X. Huang, L. Qin, Y . Zhang, W. Zhang, R. Cheng, and X. Lin, “A survey of community search over big graphs,”Springer Berlin Heidelberg, 2020
work page 2020
-
[34]
Effective and efficient community search over large heterogeneous information networks,
Y . Fang, Y . Yang, W. Zhang, X. Lin, and X. Cao, “Effective and efficient community search over large heterogeneous information networks,” Proceedings of the VLDB Endowment, vol. 13, no. 6, pp. 854–867, 2020
work page 2020
-
[35]
An o(m) algorithm for cores decomposition of networks
V . Batagelj and M. Zaversnik, “An o(m) algorithm for cores decompo- sition of networks,” CoRR, cs.DS/0310049, 2003
-
[36]
Distance-generalized core de- composition,
F. Bonchi, A. Khan, and L. Severini, “Distance-generalized core de- composition,” in proceedings of the 2019 international conference on management of data , 2019, pp. 1006–1023
work page 2019
-
[37]
Trusses: Cohesive subgraphs for social network analysis,
J. Cohen, “Trusses: Cohesive subgraphs for social network analysis,” National security agency technical report , vol. 16, no. 3.1, pp. 1–29, 2008
work page 2008
-
[38]
Unboundedness and efficiency of truss main- tenance in evolving graphs,
Y . Zhang and J. X. Yu, “Unboundedness and efficiency of truss main- tenance in evolving graphs,” in Proceedings of the 2019 International Conference on Management of Data , 2019, pp. 1024–1041
work page 2019
-
[39]
The community-search problem and how to plan a successful cocktail party,
M. Sozio and A. Gionis, “The community-search problem and how to plan a successful cocktail party,” in SIGKDD, 2010, pp. 939–948
work page 2010
-
[40]
An Optimal and Progressive Approach to Online Search of Top-k Influential Communities
F. Bi, L. Chang, X. Lin, and W. Zhang, “An optimal and progressive approach to online search of top-k influential communities,” arXiv preprint arXiv:1711.05857, 2017
work page internal anchor Pith review Pith/arXiv arXiv 2017
-
[41]
Efficient computation of importance based communities in web-scale networks using a single machine,
S. Chen, R. Wei, D. Popova, and A. Thomo, “Efficient computation of importance based communities in web-scale networks using a single machine,” in Proceedings of the 25th ACM International on Conference on Information and Knowledge Management , 2016, pp. 1553–1562
work page 2016
-
[42]
Persistent community search in temporal networks,
R.-H. Li, J. Su, L. Qin, J. X. Yu, and Q. Dai, “Persistent community search in temporal networks,” in 2018 IEEE 34th International Confer- ence on Data Engineering (ICDE) . IEEE, 2018, pp. 797–808
work page 2018
-
[43]
Skyline community search in multi-valued networks,
R. H. Li, L. Qin, F. Ye, J. X. Yu, and Z. Zheng, “Skyline community search in multi-valued networks,” in the 2018 International Conference, 2018
work page 2018
-
[44]
Exploring communities in large profiled graphs,
Y . Chen, Y . Fang, R. Cheng, Y . Li, X. Chen, and J. Zhang, “Exploring communities in large profiled graphs,”IEEE Transactions on Knowledge and Data Engineering , vol. 31, no. 8, pp. 1624–1629, 2018
work page 2018
-
[45]
Attribute-driven community search,
X. Huang and L. V . S. Lakshmanan, “Attribute-driven community search,” in Very Large Data Bases , 2017
work page 2017
-
[46]
Finding weighted k-truss communities in large networks,
Z. Zheng, F. Ye, R. H. Li, G. Ling, and T. Jin, “Finding weighted k-truss communities in large networks,” Information ences, vol. 417, 2017
work page 2017
-
[47]
On social-temporal group query with acquaintance constraint,
D. N. Yang, M. S. Chen, W. C. Lee, and Y . L. Chen, “On social-temporal group query with acquaintance constraint,” 2011
work page 2011
-
[48]
Most influential community search over large social networks,
J. Li, X. Wang, K. Deng, X. Yang, and J. X. Yu, “Most influential community search over large social networks,” in 2017 IEEE 33rd International Conference on Data Engineering (ICDE) , 2017
work page 2017
-
[49]
R. J. Mokken, “Cliques, clubs and clans,” Quality & Quantity , vol. 13, no. 2, pp. 161–173, 1979
work page 1979
-
[50]
A graph-theoretic generalization of the clique concept*,
S. B. Seidman and B. L. Foster, “A graph-theoretic generalization of the clique concept*,” Journal of Mathematical Sociology , vol. 6, no. 1, pp. 139–154, 1978
work page 1978
-
[51]
Effective community search for large attributed graphs,
Y . Fang, R. Cheng, S. Luo, and J. Hu, “Effective community search for large attributed graphs,” PVLDB, vol. 9, no. 12, pp. 1233–1244, 2016
work page 2016
-
[52]
Effective community search over large spatial graphs,
Y . Fang, C. Cheng, S. Luo, J. Hu, and X. Li, “Effective community search over large spatial graphs,” Proceedings of the VLDB Endowment (PVLDB), 2017
work page 2017
-
[53]
On spatial-aware community search,
Y . Fang, Z. Wang, R. Cheng, X. Li, S. Luo, J. Hu, and X. Chen, “On spatial-aware community search,” IEEE Transactions on Knowledge and Data Engineering, vol. 31, no. 4, pp. 783–798, 2018
work page 2018
-
[54]
Finding influential communities in massive networks,
R.-H. Li, L. Qin, J. X. Yu, and R. Mao, “Finding influential communities in massive networks,” The VLDB Journal , vol. 26, pp. 751–776, 2017
work page 2017
-
[55]
Significant- attributed community search in heterogeneous information networks,
Y . Liu, F. Guo, B. Xu, P. Bao, H. Shen, and X. Cheng, “Significant- attributed community search in heterogeneous information networks,” arXiv preprint arXiv:2308.13244 , 2023
-
[56]
Pareto-optimal community search on large bipartite graphs,
Y . Zhang, K. Wang, W. Zhang, X. Lin, and Y . Zhang, “Pareto-optimal community search on large bipartite graphs,” in Proceedings of the 30th ACM International Conference on Information & Knowledge Management, 2021, pp. 2647–2656
work page 2021
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.