privacy preserving information gathering using vanet

... provide To address the problem of privacy- preserving management of digital identity attributes in domains with heterogeneous name spaces, we propose a privacy- preserving multi-factor identity ... requirement is that users of cloud services must have control on which personal information is disclosed and how this information is used in order to minimize the risk of identity theft and fraud ... respect to privacy and security Users have typically to establish their identity each time they use a new cloud service, usually by filling out an online form and providing sensitive personal information...

Ngày tải lên: 31/07/2013, 09:45

... scan for this particular kiddie Reported by Jeremy Hansen in August 13, 2000 GIAC 15 Information Gathering Using Broadcast SNMP and Ping Mapping 17:31:33.49 prober.1030 > 192.168.2.255.161: GetNextRequest(11)[|snmp] ... am not aware of the value of that piece of information, but if the attacker is successful in retrieving this information, he may also retrieve other information that can be of use Also, if the ... program uses the eleet port Other noteworthy source ports such as 666 are also used 26 Information Gathering Using NetBIOS One of the characteristics of NetBIOS is that UDP 137 is often caused by...

Ngày tải lên: 24/01/2014, 10:20

... consumers often have the opportunity to gather information or simply spend time thinking about how much they would enjoy the good Gathering or processing information is costly, in terms of money, ... independent decisions about whether to gather information and whether to buy the good In contrast, in search models, a consumer cannot buy the good without gathering information In such a search model, ... that an intermediate information policy (consisting in releasing some, but not all, information to consumers) can be optimal In their setup, the optimality of intermediate information relies on...

Ngày tải lên: 18/02/2014, 02:20

... example, the pair retrieve +information is extracted from any of the following fragments: information retrieval system; retrieval of information from databases; and information that can be retrieved ... mathematical information theory, which formalizes the dependencies between the information and the probability distribution of the given code (alphabet or language) As stated by Shannon (1948), information ... probabilities of its particular signs, to transmit information It should be emphasized that, according to the information theory, there is no direct relation between information and meaning, entropy giving...

Ngày tải lên: 20/02/2014, 21:20

... privacy peers privacy peers privacy peers privacy peers running time [s] 70 60 90 privacy peers privacy peers privacy peers privacy peers 80 70 running time [s] 80 50 40 30 60 privacy peers privacy ... the actual privacy peers privacy peers privacy peers privacy peers 150 100 50 250 running time [s] 200 data sent [MB] running time [s] 300 250 privacy peers privacy peers privacy peers privacy peers ... honest-but-curious) adversary model for privacy peers That is, honest privacy peers follow the protocol and not combine their information Semi-honest privacy peers follow the protocol but try...

Ngày tải lên: 22/03/2014, 15:21

... statements instead of information represented as segmented text fragments Information Extraction with Wikipedia: The YAGO system (Suchanek et al., 2007) extends WordNet using facts extracted ... and O Etzioni 2007 Open information extraction from the Web In Procs of IJCAI Fuchun Peng and Andrew McCallum 2004 Accurate Information Extraction from Research Papers using Conditional Random ... 2008 Open knowledge extraction using compositional language processing In STEP Shubin Zhao and Ralph Grishman 2005 Extracting relations with integrated information using kernel methods In ACL R...

Ngày tải lên: 23/03/2014, 16:20

... for privacy- preserving data mining, the reader will have the understanding necessary to solve new privacy- preserving data mining problems What is Privacy? A standard dictionary definition of privacy ... what is meant by privacy, as well as background in security and statistics on which most privacy- preserving data mining is built A brief outline of the different classes of privacy- preserving data ... the latter examples not really appear to be a privacy issue, privacypreserving data mining technology supports all of these needs The goal of privacy- preserving data mining - analyzing data while...

Ngày tải lên: 25/03/2014, 12:01

... computation (MPC) for privacy- preserving net- 1.2 Part II: Privacy- Preserving Data Sharing using MPC work management The motivation for this is to escape the vexatious privacyutility tradeoff ... and our security assumptions is presented in chapter 10 1.2 Part II: Privacy- Preserving Data Sharing using MPC 11 Privacy- Preserving Protocols To enable anomaly detection in a distributed setting, ... one hand, the more information is removed from data, the better privacy is protected On the other hand, removal of information makes data less useful for analyses Tuning this privacy- utility tradeoff...

Ngày tải lên: 28/03/2014, 20:20

... the information access problem in which there are m items of information being sought, and a query to a given source asks for all the items In contrast with the case of a single item of information, ... completed job 2.4.1 Gathering Many Items of Information We consider the task of obtaining answers to m questions, where m may be greater than Job i consists of issuing a request to information source ... Jiang and O Madani Optimal Information Gathering on the Internet with Time and Cost Constraints Manuscript 1996 2] O Etzioni, R M Karp, and O Waarts E cient Access to Information Sources on the...

Ngày tải lên: 29/03/2014, 20:20

... to Privacy, 38 Personal Information, Sensitive Information, and Personally Identifiable Information, 39 False Positives, False Negatives, and Data Quality, 43 Privacy and Anonymity, 45 Fair Information ... Philosophical Theories of Privacy, 58 A Philosophical Perspective, 58 Privacy as Control Versus Privacy as Restricted Access, 59 Coherence in the Concept of Privacy, 62 Normative Theories of Privacy, 66 Economic ... Perspectives on Privacy, 69 The Rationale for an Economic Perspective on Privacy, 69 Privacy as Fraud, 71 Privacy and the Assignment of Property Rights to Individuals, 73 The Economic Impact of Privacy...

Ngày tải lên: 01/06/2014, 09:20

... stronger privacy protection To analyze the privacy preserving properties of the proposed method, we introduce the following privacy measures: Definition A feature vector u ∈ Rn is called privacy ... can not provide robust privacy protection, or sacrifice recognition accuracy for privacy preservation In this paper, we propose a new method for changeable and privacy preserving template generation ... useful information, and the attribute is strongly protected The element-wise privacy level α measures the average privacy protection of individual elements The greater the α value, the better the privacy...

Ngày tải lên: 21/06/2014, 20:20

...  Du and Zhan đề xuất phương pháp privacy preserving decision tree building  Guo et al đánh địa cấp phát cung cấp hạn định xác cách đo lường tái cấu trúc in privacy peserving market basket data ... đầu hoàn toàn Random-noise-based perturbation  Sau đó, Evmievski et al đề xuất phương pháp privacy preserving association rule mining  Kargupta et al đề xuất random matrix-based spectral filtering ... dàng thực liệu thu thập thời gian  Nó cung cấp kỹ thuật hữu dụng để che dấu liệu cá nhân "privacy preserving datamining"  Phương pháp thật hiệu Tuy nhiên, trả kết mát thông tin cao Phương...

Ngày tải lên: 02/02/2015, 12:36

... support privacy- aware computation on hybrid clouds Airavat [144] integrates decentralized information flow control (DIFC) [110] and differential privacy [77] into MapReduce to provide rigorous privacy ... data leakage There are multiple ways to achieve privacy- preserving computation in the cloud In the simplest form, one could encrypt the data, e.g., using AES, before outsourcing them to the cloud ... cost-effective privacy- preserving computation on the cloud In view of the limitations and difficulties of the above existing solutions, we focus on another approach of data segregation using hybrid...

Ngày tải lên: 09/09/2015, 11:27

... full privacy Obviously, neither of these is practical and useful In this thesis, we adopt an alternative approach by finding a balanced point between privacy and data utility, using available privacy ... while sacrificing as little of the information in the data as possible To quantify the information quality compromised for the sake of privacy, we need an appropriate information loss metric Past literature ... of dynamic setting 1.1 Privacy protection for static data sets In static settings, the privacy of data is guaranteed by the algorithms designed according to different privacy models proposed...

Ngày tải lên: 10/09/2015, 15:48

... called recoding, and it inadvertently results in information loss Several privacy- preserving techniques have been proposed, which attempt to minimize information loss, i.e maximize utility of the ... ´ theoretical privacy guarantees as Prive, but it does provide strong privacy in practice Therefore, we propose two alternative solutions, representing a clear trade-off between privacy and scalability ... not on LBS privacy) : a VLDB 2007 paper [30] which uses multi-to-1D mapping Figure 1.5: Thesis Roadmap to anonymize relational data, and an ICDE 2008 paper [31], which addresses privacy- preserving...

Ngày tải lên: 12/09/2015, 08:19

... privacypreserving query on outsourced database is query privacy if, for all A ∈ PPT, we have that AdvA (1s ) is a negligible function Our Construction We present a construction of a privacy- preserving ... Yao, Privacy- preserving computation and verification of aggregate queries on outsourced databases, in Privacy Enhancing Technologies, 2009, 185-201 [18] Z Yang, S Zhong, R Wright, Privacy- preserving ... adversary A new protocol is required to realize a privacy- preserving query on outsourced database A trivial solution of a query with preserving privacy on outsourced database is to send all encrypted...

Ngày tải lên: 30/12/2015, 18:18

... pages for specific information in English of an ESP topic After that, they select the most appropriate pieces of information for designing reading exercises The Internet provides 14 information of ... words to search the information they want The information is simplified for all readers to understand easily Thus, ESP teachers and students can copy quite a vast amount of information from Microsoft ... collected shows surprising information of the students’ study Question Do you often search information on the Internet? A Yes B No Chart shows that 38% of the students often search information on the...

Ngày tải lên: 07/11/2012, 14:31

Ngày tải lên: 14/01/2013, 11:56

... questions are Groupwork (Research on the computer) Using these questions, students surf the WWW using the teacher-reviewed WWW URLs to search for relevant information and record this on their K-W-L strategy ... learning brings a social element to information technology-based learning Because computers offer a variety of engaging, multi-media ways for obtaining large amounts of information, e.g., CD-ROMs and ... teachers for information, and instead can work together to find and share knowledge All the same benefits of cooperative learning presented above in the normal classroom apply equally in information...

Ngày tải lên: 06/09/2013, 05:10