B, protocol> (SOIF) The attriBute-value pair record format which Harvest Brokers use to exchange Harvest content summaries. SOIF provides a means of Bracketing collections of summary oBjects, allowing Harvest Brokers to retrieve SOIF content summaries for many oBjects in a single, efficient compressed stream. Harvest Brokers provide support for querying SOIF data using structured attriBute-value queries and many other types of queries. . (1996-09-16)