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From Group Recommendations to Group Formation

Summary: Framework for forming user groups to maximize satisfaction under LM/AV semantics for group top-k recommendations. Shows NP-hardness of optimal group formation; provides two efficient LM algorithms with bounded absolute error and scalable AV heuristics, validated on large real datasets. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
5127
Venue
SIGMOD
Year
2015
Pagerank
5.8364579e-05
Overall Rank
6,582 | 54.85%
DOI
10.1145/2723372.2749448

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{roy_sigmod15,
        title = {{From Group Recommendations to Group Formation}},
        author = {Roy, Senjuti Basu and Lakshmanan, Laks V. S. and Liu, Rui},
        series = {{SIGMOD} '15},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/2723372.2749448},
        url = {https://dl.acm.org/doi/10.1145/2723372.2749448},
        year = {2015}
}

Incoming Citations (Sorted by Pagerank)

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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
3,608 Group Recommendation: Semantics and Efficiency 2009 VLDB 7.2609441e-05
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