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The Web's promise for planet-scale data integration depends on solving the thorny problem of identity: given one or more possible identifiers, how can we determine whether they refer to the same or different things? Here, the authors discuss various ways to deal with the identity problem in the context of linked data.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.