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Representability of Design Objects by Ancestor-Controlled Hierarchical Specifications (Extended Abstract)

Summary: Introduces VDAG, an ancestor-controlled hierarchical model for CAD enabling alternate module expansions to reduce storage and control instance placement. Characterizes VDAG-generable design forests, proves generability NP-complete (even bounded height), gives decomposition and a polynomial test for a natural class but NP-hardness for minimum-size VDAG. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
885
Venue
PODS
Year
1990
Pagerank
5.093636e-05
Overall Rank
13,114 | 10.03%
DOI
10.1145/298514.298539

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BibTeX Citation

@inproceedings{yu_pods90,
        address = {New York, NY, USA},
        series = {{PODS} '90},
        title = {{Representability of Design Objects by Ancestor-Controlled Hierarchical Specifications (Extended Abstract)}},
        url = {https://dl.acm.org/doi/10.1145/298514.298539},
        doi = {10.1145/298514.298539},
        booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
        publisher = {Association for Computing Machinery},
        author = {Yu, Lin and Rosenkrantz, Daniel J.},
        year = {1990}
}

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