We need systems that make positions transparent in a single database and then tag them to exposures in a mutual fund, bonds or a hedge fund so if you want to see the accounting position you can get it across different types of holdings.

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Investigators know Hilton was in the area at the time Dunlap disappeared -- 15 days earlier -- because he encountered a forestry agent who wrote down his vehicle's tag number and ran it through a police database, authorities said.

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Besides donating money, an example of micro-volunteer work is helping a museum add tag words to the tons of images in its database to help them be searchable for future use.

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The drawback with this approach, however, is that the association between tag and passenger is stored in the airline's database.

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So every time the tag is read, a real-time connection to that database is needed to work out how to route the bag.

ECONOMIST: REPORTS

When a tag is fitted it takes 6-10 days to build up a database of the animal's behaviour, and the sensors have a range of up to 600 metres.

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