Method for enabling trust in collaborative research

Patent metadata

Field	Value
Publication number	US-11244076-B2
Application number	US-201916552705-A
Country	US
Kind code	B2
Filing date	Aug 27, 2019
Priority date	Aug 30, 2018
Publication date	Feb 8, 2022
Grant date	Feb 8, 2022

Abstract

The presented application is a method for enabling verifiable trust in collaborative data sharing environments. The architecture supports the human-in-the-loop paradigm by establishing trust between participants, including human researchers and AI systems, by making all data transformations transparent and verifiable by all participants.

First claim

The invention claimed is:

1. A system to enable verifiable trust in collaborative data-sharing environments, comprising,
a data layer, storing primary data of interest and generating a data pointer that links to the primary data of interest;
a transaction layer, storing a data sharing transaction, the data sharing transaction including the data pointer and a privacy policy associated with the primary data of interest; and
a transparency layer, storing a chain of verifiable integrity checks for verifying the integrity of each layer.

2. The system of claim 1 , wherein a permissioned blockchain is used as a plug-in for the transparency layer.

3. The system of claim 1 , wherein the data layer includes a data repository hosted at a hospital or research institute.

4. The system of claim 1 , wherein the data sharing transaction further includes a signing event.

5. The system of claim 4 , wherein the signing event includes a digital signature.

6. A method to enable verifiable trust in collaborative data sharing environments, comprising:
storing data in a data layer;
generating a data pointer that links to the data in the data layer;
constructing a data sharing transaction, the data sharing transaction including the data pointer;
storing the data sharing transaction in a transaction layer separate from the data layer, the transaction layer available so that a third party can review the data sharing transaction and access the data pointer;
computing an integrity proof of the data sharing transaction; and
writing the integrity proof to a transparency layer accessible by the third party.

7. The method of claim 6 , wherein storing the data in the data layer includes storing the data in a data repository of the data layer which is hosted at a hospital or research institute.

8. The method of claim 6 , wherein the data sharing transaction includes a privacy event and a signing event.

9. The method of claim 8 , wherein the privacy event captures promised and performed privacy acts.

10. The method of claim 9 , wherein the promised and performed privacy acts include expressing privacy policies and defining data usage obligations.

11. The method of claim 8 , wherein the signing event captures a digital signature of a data sender.

12. The method of claim 6 , wherein the system supports at least two types of sharing transactions, the at least two types of sharing transactions including:
a pointer transaction type sharing at least one pointer referencing patient data in the data layer; and
an outcome transaction type sharing an outcome generated by an artificial intelligence system, and
wherein constructing the data sharing transaction includes specifying that the data sharing transaction is either the pointer transaction type or the outcome transaction type.

13. A method to enable verifiable trust in collaborative data sharing environments, comprising:
querying a transparency layer of a collaborative system;
verifying the integrity of a data sharing transaction of a transaction layer of the collaborative system by recomputing an integrity proof of the data sharing transaction and comparing the integrity proof to the transparency layer;
querying the transaction layer to determine a privacy policy to abide by when using data available via a data pointer specified in the data sharing transaction; and
accessing the data at a data layer of the collaborative system through the data pointer specified in the data sharing transaction.

14. The method of claim 13 , wherein accessing the data at the data layer includes accessing the data in a data repository of the data layer which is hosted at a hospital or research institute.

Assignees

• Univ Mcmaster

Inventors

• Sutton Andrew
• Samavi Reza
• Doyle Thomas E
• Koff David

Classifications

• G06F21/6245

  Protecting personal data, e.g. for financial or medical purposes · CPC title

• G06F16/2379

  Updates performed during online database operations; commit processing · CPC title

• G16H10/60 Primary

  for patient-specific data, e.g. for electronic patient records · CPC title

• G16H50/30

  for calculating health indices; for individual health risk assessment · CPC title

• G06F21/64 Primary

  Protecting data integrity, e.g. using checksums, certificates or signatures · CPC title