Patent ID: 8131754

Claim:
A method comprising: capturing a plurality of events, wherein the events comprise user interactions with articles on a client device, and wherein the captured events are generated by user interactions involving multiple ones of the plurality of client applications; receiving a first article identifier identifying a first article and associated with a first date-time attribute, the first date-time attribute associated with a first one of the plurality of events; receiving a second article identifier identifying a second article and associated with a second date-time attribute, the second date-time attribute associated with a second one of the plurality of events; and determining an association measure of the first article identifier to the second article identifier based at least in part on the first date-time attribute and on the second date-time attribute, the determining comprising: determining a difference between the first date-time attribute and the second date-time attribute, comparing the difference to a threshold, setting the association measure equal to a first value if the difference exceeds the threshold, and setting the association measure equal to a second value if the difference does not exceed the threshold.