Patent ID: 7725944

Claim:
A computer-implemented method of monitoring network behavior of users, the method comprising: receiving a session record generated by a first collection engine operated by an Internet Service Provider, said session record representing a series of interactions between a user computing device of a user and one or more web sites, said session record comprising an anonymized identifier generated by the first collection engine; receiving a transaction record generated by a second collection engine that operates remotely from the first collection engine, said transaction record reflective of an e-commerce transaction completed by the user on a merchant site, said transaction record comprising transaction information that is not available to the first collection engine; determining, by a computer system, that the session record generated by the first collection engine is associated with the transaction record generated by the second collection engine, wherein the computer system determines said association at least partly by determining that the session record and the transaction record are both associated with an IP address corresponding to the user computing device; and associating, by the computer system, the anonymized identifier with said transaction information included in said transaction record in response to determining that the session record and the transaction record are both associated with said IP address.