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On Equality Testing Protocols and their Security
, 2003
"... This thesis is written for the Swedish degree Licentiate of Science, Teknisk Licentiat. It is a university degree, between that of master and that of doctor. The main focus of the thesis is on the construction of secure protocols for comparing the underlying plaintexts in ElGamal encryptions. The ..."
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This thesis is written for the Swedish degree Licentiate of Science, Teknisk Licentiat. It is a university degree, between that of master and that of doctor. The main focus of the thesis is on the construction of secure protocols for comparing the underlying plaintexts in ElGamal encryptions. The protocols make use of the malleability of the ElGamal encryption scheme. More specifically they use the multiplicative homomorphic property of ElGamal. We present fully verifiable protocols for both the twoparty setting and the multiparty setting. These protocols are built on subprotocols, which are specially constructed to fit the present setting. We also present full proofs for completeness, soundness, and zeroknowledge for all the given protocols, in the random oracle model. ISBN 9172835699 • TRITANA0317 • ISSN 03482952 • ISRN KTH/NA/R03/17SE iii
A HeteroskedasticityConsistent Covariance Matrix Estimator And A Direct Test For Heteroskedasticity
, 1980
"... This paper presents a parameter covariance matrix estimator which is consistent even when the disturbances of a linear regression model are heteroskedastic. This estimator does not depend on a formal model of the structure of the heteroskedasticity. By comparing the elements of the new estimator ..."
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Cited by 3092 (5 self)
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to those of the usual covariance estimator, one obtains a direct test for heteroskedasticity, since in the absence of heteroskedasticity, the two estimators will be approximately equal, but will generally diverge otherwise. The test has an appealing least squares interpretation
High confidence visual recognition of persons by a test of statistical independence
 IEEE TRANS. ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE
, 1993
"... A method for rapid visual recognition of personal identity is described, based on the failure of a statistical test of independence. The most unique phenotypic feature visible in a person’s face is the detailed texture of each eye’s iris: An estimate of its statistical complexity in a sample of the ..."
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Cited by 601 (8 self)
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A method for rapid visual recognition of personal identity is described, based on the failure of a statistical test of independence. The most unique phenotypic feature visible in a person’s face is the detailed texture of each eye’s iris: An estimate of its statistical complexity in a sample
Verifiable homomorphic oblivious transfer and private equality test
 In Proc. of Asiacrypt
, 2003
"... Abstract. We describe slightly modified version (that we call the HOT protocol) of the AielloIshaiReingold oblivious transfer protocol from Eurocrypt 2001. In particular, the HOT protocol will be what we call weakly secure when coupled with many different homomorphic semantically secure publickey ..."
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Cited by 42 (2 self)
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key cryptosystems. Based on the HOT protocol, we construct an efficient verifiable oblivious transfer protocol and an efficient verifiable private equality test. As a concrete application of our results, we propose a novel protocol called proxy verifiable private equality test, and apply it to a cryptographic
Mediation in experimental and nonexperimental studies: new procedures and recommendations
 PSYCHOLOGICAL METHODS
, 2002
"... Mediation is said to occur when a causal effect of some variable X on an outcome Y is explained by some intervening variable M. The authors recommend that with small to moderate samples, bootstrap methods (B. Efron & R. Tibshirani, 1993) be used to assess mediation. Bootstrap tests are powerful ..."
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Cited by 645 (3 self)
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. These models are useful for theory development and testing as well as for the identification of possible points of intervention in applied work. Mediation is equally of interest to experimental psychologists as it is to those who study naturally occurring processes through nonexperimental studies. For example
Cumulated Gainbased Evaluation of IR Techniques
 ACM Transactions on Information Systems
, 2002
"... Modem large retrieval environments tend to overwhelm their users by their large output. Since all documents are not of equal relevance to their users, highly relevant documents should be identified and ranked first for presentation to the users. In order to develop IR techniques to this direction, i ..."
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Cited by 662 (3 self)
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Modem large retrieval environments tend to overwhelm their users by their large output. Since all documents are not of equal relevance to their users, highly relevant documents should be identified and ranked first for presentation to the users. In order to develop IR techniques to this direction
The Complexity of Finding Replicas Using Equality Tests
, 1993
"... . We prove (for fixed k) that at least 1 k\Gamma1 ( n 2 ) \Gamma O(n) equality tests and no more than 2 k ( n 2 )+O(n) equality tests are needed in the worst case to determine whether a given set of n elements contains a subset of k identical elements. The upper bound is an improvement by a ..."
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Cited by 3 (2 self)
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. We prove (for fixed k) that at least 1 k\Gamma1 ( n 2 ) \Gamma O(n) equality tests and no more than 2 k ( n 2 )+O(n) equality tests are needed in the worst case to determine whether a given set of n elements contains a subset of k identical elements. The upper bound is an improvement
Relative absorptive capacity and interorganizational learning
 STRATEGIC MANAGEMENT JOURNAL
, 1998
"... Much of the prior research on interorganizational learning has focused on the role of absorptive capacity, a firm’s ability to value, assimilate, and utilize new external knowledge. However, this definition of the construct suggests that a firm has an equal capacity to learn from all other organizat ..."
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Cited by 449 (2 self)
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Much of the prior research on interorganizational learning has focused on the role of absorptive capacity, a firm’s ability to value, assimilate, and utilize new external knowledge. However, this definition of the construct suggests that a firm has an equal capacity to learn from all other
Satisfiability of downward XPath with data equality tests
"... In this work we investigate the satisfiability problem for the logic XPath( ↓ ∗ , ↓, =), that includes all downward axes as well as equality and inequality tests. We address this problem in the absence of DTDs and the sibling axis. We prove that this fragment is decidable, and we nail down its comp ..."
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Cited by 22 (5 self)
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In this work we investigate the satisfiability problem for the logic XPath( ↓ ∗ , ↓, =), that includes all downward axes as well as equality and inequality tests. We address this problem in the absence of DTDs and the sibling axis. We prove that this fragment is decidable, and we nail down its
Fast Equality Test for StraightLine Compressed Strings
, 2011
"... The paper describes a simple and fast randomized test for equality of grammarcompressed strings. The thorough running time analysis is done by applying a logarithmic cost measure. ..."
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Cited by 1 (0 self)
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The paper describes a simple and fast randomized test for equality of grammarcompressed strings. The thorough running time analysis is done by applying a logarithmic cost measure.
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