By Luc Moreau, Deborah L. McGuinness, James R. Michaelis
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The script or workflow generating the VAP will be responsible for attaching any referential information and the associated event history along with any relevant event history. Once the provenance is captured, it will be managed by maintaining synchronization between the different provenance tiers in the store. Provenance will be stored persistently as separate storage blocks. The path tier block provides references to the hedge block; the hedge tier will in turn provides references to each branch block.
5, the user first enters the query “* .. //AtlasXGraphic” whose query result is shown in Fig. 5(a). This new view can be explored and navigated in exactly the same way as if the entire trace were displayed. The query result can also be further queried, as shown by the second query in Fig. 5(c) whose result is shown in Fig. 5(b). Query History. The browser automatically captures the sequence of queries issued by the user (where the initial view is denoted as “T” in the query window). Users can return to a previous query result at any time by selecting the query from the query history or using the forward-backward buttons within the query window.
Moreau, L. ) IPAW 2008. LNCS, vol. K. Anand et al. 8. : The Lorel query language for semistructured data. Intl. J. on Digitial Libraries 1, 68–88 (1997) 9. : Techniques for efficiently querying scientific workflow provenance graphs. In: EDBT (2010) 10. : Exploring scientific workflow provenance using hybrid queries over nested data and lineage graphs. In: SSDBM (2009) 11. : Efficient provenance storage over nested data collections. In: EDBT (2009) 12. : Querying and managing provenance through user views in scientific workflows.