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Chimera: a virtual data system for representing, querying, and automating data derivation
Abstract
A lot of scientific data is not obtained from measurements but rather derived from other data by the application of computational procedures. We hypothesize that explicit representation of these procedures can enable documentation of data provenance, discovery of available methods, and on-demand data generation (so-called "virtual data"). To explore this idea, we have developed the Chimera virtual data system, which combines a virtual data catalog for representing data derivation procedures and derived data, with a virtual data language interpreter that translates user requests into data definition and query operations on the database. We couple the Chimera system with distributed "data grid" services to enable on-demand execution of computation schedules constructed from database queries. We have applied this system to two challenge problems, the reconstruction of simulated collision event data from a high-energy physics experiment, and searching digital sky survey data for galactic clusters, with promising results.
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Cites
Why and Where: A Characterization of Data Provenance
Buneman, P., Khanna, S., & Wang-Chiew, T. (2001) · Lecture Notes in Computer Science · doi:10.1007/3-540-44503-x_20 · Cited by 1,334
Cited by
A Taxonomy of Workflow Management Systems for Grid Computing
Yu, J., & Buyya, R. (2005) · Journal of Grid Computing · doi:10.1007/s10723-005-9010-8 · Cited by 834
(2007) · Springer eBooks · doi:10.1007/978-1-84628-757-2 · Cited by 423
Workflow Scheduling Algorithms for Grid Computing
Yu, J., Buyya, R., & Ramamohanarao, K. (2008) · Studies in Computational Intelligence · doi:10.1007/978-3-540-69277-5_7 · Cited by 388
Falkon: a Fast and Light-weight tasK executiON framework
Raicu, I., Zhao, Y., Dumitrescu, C., Foster, I., & Wilde, M. (2007) · Proceedings of the 2007 ACM/IEEE conference on Supercomputing · doi:10.1145/1362622.1362680 · Cited by 299
Self-citationProvenance Collection Support in the Kepler Scientific Workflow System
Altintas, I., Barney, O., & Jaeger-Frank, E. (2006) · Lecture Notes in Computer Science · doi:10.1007/11890850_14 · Cited by 269
Metadata
- Authors
- Foster, I., Vockler, J., Wilde, M., & Zhao, Y.
- Venue
- Proceedings 14th International Conference on Scientific and Statistical Database Management
- Publisher
- IEEE
- Published
- 2002
- Pages
- 37-46
- ISSN
- 1551-6393 (ISSN-L)
- OpenAlex
- W2107571548
- Cited by
- 605
- References
- 1
- FWCI
- 65.00
- Type
- conference paper
- Language
- en
- Open access
- closed
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- Foster, I., Vockler, J., Wilde, M., & Zhao, Y. (2002). Chimera: a virtual data system for representing, querying, and automating data derivation. Proceedings 14th International Conference on Scientific and Statistical Database Management. https://doi.org/10.1109/ssdm.2002.1029704
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
