SG11201807132WA - Systems and methods for computing data privacy-utility tradeoff - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization IIIM141101110101011111 01011111011101011111 100 111114110111110 ill OEN International Bureau 0.. .... .. ..... ..or::,„, (10) International Publication Number (43) International Publication Date WO 2017/145038 Al 31 August 2017 (31.08.2017) WIPO I PCT (51) International Patent G06F 17/30 (2006.01) G06F 21/00 (2013.01) GO6F 21/62 (2013.01) (21) International Application (22) International Filing (25) Filing Language: (26) Publication Language: (30) Priority Data: 201621006136 22 February 2016 (22.02.2016) (71) Applicant: TATA CONSULTANCY ITED [IN/IN]; Nirmal Mumbai-400021, Maharashtra (72) Inventors: THOMAS, Limited Tata Research _ B, Hadapsar Industrial Classification: 411 013 (IN). PADMANABHAN, Kishore; Tata Con- HO4L 9/00 (2006.01) sultancy Services Limited, \"Siruseri SEZ Unit\", Plot HO4L 9/08 (2006.01) No.1/G1, SIPCOT I.T. Park, Siruseri, Navalur Post, Kan- cheepuram District, Chennai - 603 103, Tamil Nadu, India, Chennai 603 103 (IN). MASHIWAL, Kalyani; Tata Con- Number: PCT/IB2017/050950 sultancy Services Limited, Tata Research Development & Design Centre, 54 B, Hadapsar Industrial Estate, Hadapsar, Date: Pune- 411 013, Maharashtra, India, Pune 411013 (IN). 20 February 2017 (20.02.2017) (74) Agents: KOSHAL, Amit et al.; Legasis Partners (Pune) English B105, ICC Trade Towers Senapati Bapat Road, Pune 411016 (IN). English (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, IN AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, SERVICES LIM- BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, Building, 9th floor, Nariman point, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (IN). HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, Dilys; Tata Consultancy Services MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, Development & Design Centre, 54- NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, Estate, Hadapsar, Pune - 411 013 RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, Pune 411013 (IN). LODHA, Sachin TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, Services Limited Tata Re- ZA, ZM, ZW. & Design Centre, 54-B, Hadapsar In- Pune - 411013 Maharashtra, In- (84) Designated States (unless otherwise indicated, for every BANAHATTI, Vijayanand Ma- kind of regional protection available): ARIPO (BW, GH, Services Limited Tata Research GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, Centre, 54-B, Hadapsar Industrial TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, - 411 013 Maharashtra, India, Pune TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, [Continued on next page] (IN). — Maharashtra, India, _ Premsukh; Tata Consultancy search Development = dustrial Estate, Hadapsar, dia, Pune 411 013 = hadeo; Tata Consultancy Development & Design Estate, Hadapsar, Pune = = METHODS FOR COMPUTING DATA PRIVACY-UTILITY TRADEOFF LOS hubs like data marketplace is required to meet the pri - known methods of and methods of the with data sellers. (54) Title: SYSTEMS AND = = = = = ... acs c.., .... Q • ,..: M ., t\" X < w c 2 ,, - c : 00 :. - - Data Anaiyzer 10SG ,u li at g .,,,,, = — a _ = — _ 11 .4 GC Cr) © 11 in ii- 1—I --.... IN 1-1 (57) : Systems and 0 are a source of data that may N vary requirements of data C achieving data privacy tend to suppress components of data that may result in reduced utility of the data. Systems present disclosure compute this tradeoff to establish need for data transformation, if any, before data is shared De,' ?,111 , 1 He Il4<3113 1 08£ Re on an‘lAlert Manage/nont Veda , 1081 Event Log_ng Module 1083 FIG. 2 methods for computing data privacy-utility tradeoff is disclosed. Large data be of utility to data buyers. However, output data provided to data sellers sellers and at the same time maintain a level of utility to data buyers. Conventionally WO 2017/145038 Al MIDEDIMOMOIDIONOIDEMOMMIMEHOMMOVOIMIE DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, Published: LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, — with international search report 21(3)) (Art. GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: — as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii))