prov:value
| - For example, assume that three tables, contacts, labels, and contac_has_label, are stored in a database, such as the databases illustrated in FIG. 1A and 1B. Further, assume that each table includes various fields: contact contactID, First, Last, Phone, Email, Company etc. label labelID, labelName user specified labels, eg Hot, A Lead, Journalist, Comdex Tradeshow etc. contact_has_label contactID,
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