{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T14:04:56Z","timestamp":1768485896694,"version":"3.49.0"},"publisher-location":"New York, NY, USA","reference-count":36,"publisher":"ACM","license":[{"start":{"date-parts":[[2019,11,5]],"date-time":"2019-11-05T00:00:00Z","timestamp":1572912000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation","doi-asserted-by":"publisher","award":["1910950"],"award-info":[{"award-number":["1910950"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2019,11,5]]},"DOI":"10.1145\/3347146.3359072","type":"proceedings-article","created":{"date-parts":[[2019,11,13]],"date-time":"2019-11-13T22:08:16Z","timestamp":1573682896000},"page":"299-308","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":19,"title":["A Privacy-Preserving, Accountable and Spam-Resilient Geo-Marketplace"],"prefix":"10.1145","author":[{"given":"Kien","family":"Nguyen","sequence":"first","affiliation":[{"name":"University of Southern California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gabriel","family":"Ghinita","sequence":"additional","affiliation":[{"name":"University of Massachusetts Boston"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Muhammad","family":"Naveed","sequence":"additional","affiliation":[{"name":"University of Southern California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cyrus","family":"Shahabi","sequence":"additional","affiliation":[{"name":"University of Southern California"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2019,11,5]]},"reference":[{"key":"e_1_3_2_1_1_1","unstructured":"Scott Scheper Arie Trouw Markus Levin. [n.d.]. The XY Oracle Network: The Proof-of-Origin Based Cryptographic Location Network. https:\/\/docs.xyo.network\/XYO-White-Paper.pdf.  Scott Scheper Arie Trouw Markus Levin. [n.d.]. The XY Oracle Network: The Proof-of-Origin Based Cryptographic Location Network. https:\/\/docs.xyo.network\/XYO-White-Paper.pdf."},{"key":"e_1_3_2_1_2_1","volume-title":"TCC'05","author":"Boneh Dan"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/11761679_34"},{"key":"e_1_3_2_1_4_1","volume-title":"TCC'07","author":"Boneh Dan"},{"key":"e_1_3_2_1_5_1","unstructured":"Giacomo Brambilla Michele Amoretti and Francesco Zanichelli. 2016. Using Block Chain for Peer-to-Peer Proof-of-Location. CoRR abs\/1607.00174 (2016). arXiv:1607.00174  Giacomo Brambilla Michele Amoretti and Francesco Zanichelli. 2016. Using Block Chain for Peer-to-Peer Proof-of-Location. CoRR abs\/1607.00174 (2016). arXiv:1607.00174"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-40041-4_20"},{"key":"e_1_3_2_1_7_1","volume-title":"Public-Key Cryptography-PKC","author":"Catalano Dario","year":"2013"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.5555\/2590701.2590705"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.3390\/logistics2030018"},{"key":"e_1_3_2_1_10_1","unstructured":"Ethersphere. [n.d.]. InterPlanet File System. https:\/\/ipfs.io\/.  Ethersphere. [n.d.]. InterPlanet File System. https:\/\/ipfs.io\/."},{"key":"e_1_3_2_1_11_1","unstructured":"Ethersphere. [n.d.]. Swarm. https:\/\/swarmguide.readthedocs.io\/en\/latest\/introduction.html.  Ethersphere. [n.d.]. Swarm. https:\/\/swarmguide.readthedocs.io\/en\/latest\/introduction.html."},{"key":"e_1_3_2_1_12_1","unstructured":"M. A. Ferrag M. Derdour M. Mukherjee A. Derhab L. Maglaras and H. Janicke. 2018. Blockchain Technologies for the Internet of Things: Research Issues and Challenges. IEEE Internet of Things Journal (2018) 1--1.  M. A. Ferrag M. Derdour M. Mukherjee A. Derhab L. Maglaras and H. Janicke. 2018. Blockchain Technologies for the Internet of Things: Research Issues and Challenges. IEEE Internet of Things Journal (2018) 1--1."},{"key":"e_1_3_2_1_13_1","unstructured":"Foamspace Corp. [n.d.]. FOAM White paper. Available online at https:\/\/foam.space\/publicAssets\/FOAM_Whitepaper.pdf.  Foamspace Corp. [n.d.]. FOAM White paper. Available online at https:\/\/foam.space\/publicAssets\/FOAM_Whitepaper.pdf."},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1145\/2557547.2557559"},{"key":"e_1_3_2_1_15_1","unstructured":"Eu-Jin Goh. 2003. Secure indexes. IACR Cryptology ePrint Archive (2003) 216.  Eu-Jin Goh. 2003. Secure indexes. IACR Cryptology ePrint Archive (2003) 216."},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12599-017-0502-4"},{"key":"e_1_3_2_1_17_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10916-018-0998-2"},{"key":"e_1_3_2_1_18_1","volume-title":"Delegatable Pseudorandom Functions and Applications. In CCS'13","author":"Kiayias Aggelos","year":"2013"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"crossref","unstructured":"Fabian Knirsch Andreas Unterweger and Dominik Engel. 2018. Privacy-preserving blockchain-based electric vehicle charging with dynamic tariff decisions. Computer Science - Research and Development 33 1 (01 Feb 2018) 71--79.  Fabian Knirsch Andreas Unterweger and Dominik Engel. 2018. Privacy-preserving blockchain-based electric vehicle charging with dynamic tariff decisions. Computer Science - Research and Development 33 1 (01 Feb 2018) 71--79.","DOI":"10.1007\/s00450-017-0348-5"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1109\/SP.2016.55"},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.procs.2018.05.140"},{"key":"e_1_3_2_1_22_1","unstructured":"Tsung-Ting Kuo and Lucila Ohno-Machado. 2018. ModelChain: Decentralized Privacy-Preserving Healthcare Predictive Modeling Framework on Private Blockchain Networks. arXiv preprint arXiv:1802.01746 (2018).  Tsung-Ting Kuo and Lucila Ohno-Machado. 2018. ModelChain: Decentralized Privacy-Preserving Healthcare Predictive Modeling Framework on Private Blockchain Networks. arXiv preprint arXiv:1802.01746 (2018)."},{"key":"e_1_3_2_1_23_1","volume-title":"Result Pattern Hiding Searchable Encryption for Conjunctive Queries. In CCS '18","author":"Lai Shangqi","year":"2018"},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1109\/TITS.2017.2777990"},{"key":"e_1_3_2_1_25_1","unstructured":"Srdjan Capkun Lionel Wolberger Allon Mason. [n.d.]. Platin Proof of Location Blockchain. https:\/\/platin.io\/assets\/whitepaper\/Platin_Whitepaper_2.2.2.pdf.  Srdjan Capkun Lionel Wolberger Allon Mason. [n.d.]. Platin Proof of Location Blockchain. https:\/\/platin.io\/assets\/whitepaper\/Platin_Whitepaper_2.2.2.pdf."},{"key":"e_1_3_2_1_26_1","unstructured":"Fysical Technologies Pte. Ltd. [n.d.]. Fysical: A decentralized location data market. https:\/\/view.attach.io\/SJm3DCJPG.  Fysical Technologies Pte. Ltd. [n.d.]. Fysical: A decentralized location data market. https:\/\/view.attach.io\/SJm3DCJPG."},{"key":"e_1_3_2_1_27_1","volume-title":"Bitcoin: A peer-to-peer electronic cash system.","author":"Nakamoto Satoshi","year":"2008"},{"key":"e_1_3_2_1_28_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12599-017-0499-8"},{"key":"e_1_3_2_1_29_1","volume-title":"Advances in Cryptology --- CRYPTO '91","author":"Pedersen Torben Pryds"},{"key":"e_1_3_2_1_30_1","unstructured":"SNAP. [n.d.]. SNAP Gowalla dataset. https:\/\/snap.stanford.edu\/data\/loc-Gowalla.html [January 11 2019].  SNAP. [n.d.]. SNAP Gowalla dataset. https:\/\/snap.stanford.edu\/data\/loc-Gowalla.html [January 11 2019]."},{"key":"e_1_3_2_1_31_1","volume-title":"2000 IEEE Symposium on Security and Privacy. IEEE, 44--55","author":"Song Dawn Xiaoding","year":"2000"},{"key":"e_1_3_2_1_32_1","first-page":"72","article-title":"Practical Dynamic Searchable Encryption with Small Leakage","volume":"71","author":"Stefanov Emil","year":"2014","journal-title":"NDSS"},{"key":"e_1_3_2_1_33_1","volume-title":"Chord: A Scalable Peer-to-peer Lookup Service for Internet Applications. In SIGCOMM '01","author":"Stoica Ion","year":"2001"},{"key":"e_1_3_2_1_34_1","unstructured":"Nick Szabo. 1996. Smart contracts: building blocks for digital markets. EXTROPY: The Journal of Transhumanist Thought (16) (1996).  Nick Szabo. 1996. Smart contracts: building blocks for digital markets. EXTROPY: The Journal of Transhumanist Thought (16) (1996)."},{"key":"e_1_3_2_1_35_1","volume-title":"2019 IEEE 35th International Conference on Data Engineering (ICDE). IEEE.","author":"Zhang Ce","year":"2018"},{"key":"e_1_3_2_1_36_1","doi-asserted-by":"publisher","DOI":"10.1109\/SPW.2015.27"}],"event":{"name":"SIGSPATIAL '19: 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems","location":"Chicago IL USA","acronym":"SIGSPATIAL '19","sponsor":["SIGSPATIAL ACM Special Interest Group on Spatial Information"]},"container-title":["Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3347146.3359072","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3347146.3359072","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3347146.3359072","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T23:23:59Z","timestamp":1750202639000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3347146.3359072"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,11,5]]},"references-count":36,"alternative-id":["10.1145\/3347146.3359072","10.1145\/3347146"],"URL":"https:\/\/doi.org\/10.1145\/3347146.3359072","relation":{},"subject":[],"published":{"date-parts":[[2019,11,5]]},"assertion":[{"value":"2019-11-05","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}