Patent ID: 9736542
Date: 2017-08-15
CPC Classifications: H04H,H04N

Claim:
1. A method of receiving a digital service signal, the method comprising: receiving, by a receiving processor, a PDI (Profiles, Demographics, Interests) table, TDO (Triggered Declarative Object), a content item used by the TDO and a TPT (TDO Parameters Table) describing metadata for the TDO, wherein the TPT includes a TDO element representing information on the TDO, the TDO element includes a content item element representing information on the content item, the content item element includes a filtering criteria element indicating filtering criteria for the content item, wherein the filtering criteria element including an criteria identifier identifying a PDI question to be filtered by the filtering criteria and an criteria value representing an answer for the identified PDI question; wherein the TDO element includes an TDO identifier identifying the TDO and an event element indicating an event targeted to the identified TDO; parsing, by the receiving processor, the filtering criteria from the received TPT; translating, by the receiving processor, the filtering criteria into the PDI question having a question identifier identifying the PDI question, wherein the translated PDI question corresponds to pre-registered question with a registrar, the translated PDI question is used for questioning the filtering criteria; obtaining, by an obtaining processor, an answer for the PDI question; adding, by the obtaining processor, the PDI question and the obtained answer to the PDI table; storing, by a storing processor, the added PDI table; filtering, by a filtering processor, the content item by comparing the criteria identifier with the question identifier and comparing the criteria value with the obtained answer; and downloading, by a downloading processor, the filtered content item.