DIRECT: A Query Facility for Multiple Databases

Summary: DIRECT provides a uniform UI to query heterogeneous DBs without a global schema, aligning semantically equivalent data. A browser of data schemas and a direct-manipulation editor let users pick needed data and form cross-database queries via semantic models. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 2618
Venue: SIGMOD
Year: 1992
Pagerank: -
Overall Rank: 14,420 | 1.41%
DOI: 10.1145/130283.130284

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Authors

1. Ulla Merz (University of Colorado Boulder)
2. Roger King (University of Colorado Boulder)

BibTeX Citation

@inproceedings{merz_sigmod92,
        title = {{DIRECT: A Query Facility for Multiple Databases}},
        author = {Merz, Ulla and King, Roger},
        series = {{SIGMOD} '92},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/130283.130284},
        url = {https://dl.acm.org/doi/10.1145/130283.130284},
        year = {1992}
}

Incoming Citations (Sorted by Pagerank)

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Rank	Citing Paper	Year	Venue	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

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5	14,587	An Interactive Query Language for External Data Bases	1982	VLDB
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9	1,419	GUIDE: Graphical User Interface for Database Exploration	1982	VLDB
10	2,179	Query Execution in DIRECT	1979	SIGMOD