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262 results on '"Révész Péter"'

2. Temporal Constraints

Author

Revesz, Peter, Snodgrass, Richard T., Section editor, Jensen, Christian S., Section editor, Liu, Ling, editor, and Özsu, M. Tamer, editor

Published
2018
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4. Allen’s Relations

Author

Revesz, Peter, Terenziani, Paolo, Snodgrass, Richard T., Section Editor, Jensen, Christian S., Section Editor, Liu, Ling, editor, and Özsu, M. Tamer, editor

Published
2018
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5. Spatio-Temporal Data Mining of Major European River and Mountain Names Reveals Their Near Eastern and African Origins

Author

Revesz, Peter Z., Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, Benczúr, András, editor, Thalheim, Bernhard, editor, and Horváth, Tomáš, editor

Published
2018
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6. Comparing the Quality of Life and Hearing Thresholds Following Stapedectomy Versus Laser Stapedotomy with NiTiBOND Piston.

Author

Révész, Péter, Kopjár, Eszter, Szakács, Zsolt, Warta, Vilmos, Csongor, Alexandra, Gerlinger, Imre, and Szanyi, István

Subjects
*QUALITY of life, *COMPACT bone, *SOCIAL values, *PISTONS, *BONE grafting, *SOCIAL support
Abstract

BACKGROUND: The purpose of this study was to examine the quality of life (QoL) and hearing thresholds of patients who underwent 2 types of stapes surgery. METHODS: A retrospective cohort study was performed comparing stapedotomy with NiTiBOND prostheses (n=20) and stapedectomy with autogenous cortical bone columella (n=20), applying the Glasgow Benefit Inventory (GBI) and the Hearing Handicap Inventory for Adults outcome measures with hearing thresholds. Univariate comparative statistical methods were applied. RESULTS: The stapedotomy cohort had significantly better values of Social Support Score of the GBI as compared to the stapedectomy cohort (P=.016). No statistically significant difference was detected between the groups in the pre- and postoperative audiological results and the further QoL measures. CONCLUSION: Apart from the excellent postoperative audiological results of the different types of stapes surgeries, stapedotomy with NiTiBOND prostheses seems to be superior as regards QoL over stapedectomy applying autogenous cortical bone columella. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Efficient Threshold Aggregation of Moving Objects

Author

Anderson, Scot and Revesz, Peter

Subjects
Computer Science - Databases
Abstract

Calculating aggregation operators of moving point objects, using time as a continuous variable, presents unique problems when querying for congestion in a moving and changing (or dynamic) query space. We present a set of congestion query operators, based on a threshold value, that estimate the following 5 aggregation operations in d-dimensions. 1) We call the count of point objects that intersect the dynamic query space during the query time interval, the CountRange. 2) We call the Maximum (or Minimum) congestion in the dynamic query space at any time during the query time interval, the MaxCount (or MinCount). 3) We call the sum of time that the dynamic query space is congested, the ThresholdSum. 4) We call the number of times that the dynamic query space is congested, the ThresholdCount. And 5) we call the average length of time of all the time intervals when the dynamic query space is congested, the ThresholdAverage. These operators rely on a novel approach to transforming the problem of selection based on position to a problem of selection based on a threshold. These operators can be used to predict concentrations of migrating birds that may carry disease such as Bird Flu and hence the information may be used to predict high risk areas. On a smaller scale, those operators are also applicable to maintaining safety in airplane operations. We present the theory of our estimation operators and provide algorithms for exact operators. The implementations of those operators, and experiments, which include data from more than 7500 queries, indicate that our estimation operators produce fast, efficient results with error under 5%., Comment: Technical report on spatiotemporal aggregation prior to journal submission

Published
2006

8. On-line topological simplification of weighted graphs

Author

Geerts, Floris, Revesz, Peter, and Bussche, Jan Van den

Subjects
Computer Science - Data Structures and Algorithms, Computer Science - Databases
Abstract

We describe two efficient on-line algorithms to simplify weighted graphs by eliminating degree-two vertices. Our algorithms are on-line in that they react to updates on the data, keeping the simplification up-to-date. The supported updates are insertions of vertices and edges; hence, our algorithms are partially dynamic. We provide both analytical and empirical evaluations of the efficiency of our approaches. Specifically, we prove an O(log n) upper bound on the amortized time complexity of our maintenance algorithms, with n the number of insertions., Comment: This is the full techreport corresponding to the paper "On-line maintenance of simplified weighted graphs for efficient distance queries" in the proceedings of ACM-GIS 2006

Published
2006

12. Classes of Spatiotemporal Objects and Their Closure Properties

Author

Chomicki, Jan, Haesevoets, Sofie, Kuijpers, Bart, and Revesz, Peter

Subjects
Computer Science - Databases, H.2.8
Abstract

We present a data model for spatio-temporal databases. In this model spatio-temporal data is represented as a finite union of objects described by means of a spatial reference object, a temporal object and a geometric transformation function that determines the change or movement of the reference object in time. We define a number of practically relevant classes of spatio-temporal objects, and give complete results concerning closure under Boolean set operators for these classes. Since only few classes are closed under all set operators, we suggest an extension of the model, which leads to better closure properties, and therefore increased practical applicability. We also discuss a normal form for this extended data model., Comment: 27 pages, 4 figures

Published
2002

39. Constraint Database Solutions to the Genome Map Assembly Problem

Author

Ramanathan, Viswanathan, Revesz, Peter, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Kuijpers, Bart, editor, and Revesz, Peter, editor

Published
2004
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44. Temporal Data Classification Using Linear Classifiers

Author

Revesz, Peter, Triplet, Thomas, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Grundspenkis, Janis, editor, Morzy, Tadeusz, editor, and Vossen, Gottfried, editor

Published
2009
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45. Reclassification of Linearly Classified Data Using Constraint Databases

Author

Revesz, Peter, Triplet, Thomas, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Atzeni, Paolo, editor, Caplinskas, Albertas, editor, and Jaakkola, Hannu, editor

Published
2008
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47. The Constraint Database Approach to Software Verification

Author

Revesz, Peter, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Cook, Byron, editor, and Podelski, Andreas, editor

Published
2007
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50. The Expressivity of Constraint Query Languages with Boolean Algebra Linear Cardinality Constraints

Author

Revesz, Peter, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Eder, Johann, editor, Haav, Hele-Mai, editor, Kalja, Ahto, editor, and Penjam, Jaan, editor

Published
2005
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