Searching for authors named "Manolis Terrovitis" – sorted by Relevance.
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Privacy-preserving Anonymization of Set-valued Data ABSTRACT
- In this paper we study the problem of protecting privacy in the publication of set-valued data. Consider a collection of transactional data that contains detailed information about items bought together by individuals. Even after removing all personal characteristics of the buyer, which can serve as
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The Designer’s Guide Community downloaded from www.designers-guide.org Device Noise Simulation of ΔΣ Modulators
- the effects of device noise. Simulation of the feedback loop filters with SpectreRF provides the statistics of the device noise. A discrete time filter is used to generate noise with similar power spectral density (PSD) during the behavioral simulation. A second order converter is used to demonstrat
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Device Noise Simulation of Delta-Sigma Modulators
- This report describes behavioral simulation of Delta-Sigma analog to digital converters including the effects of device noise. Simulation of the feedback loop filters with SpectreRF provides the statistics of the device noise. A discrete time filter is used to generate noise with similar power spect
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A Broadband Low-Noise-Amplifier
- This report describes the design of a two-stage broadband low-noise-amplifier (LNA) for the frequency range from 3 GHz to 9 GHz, using GaAs MESFETs with an f t of 20 GHz. The passive components were implemented with microstrips. In the frequency band of operation, the achieved noise figure (NF) is w
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PatManQL: A language to manipulate patterns and data in hierarchical catalogs
- Hierarchical structures and catalogs is a way to organize and enrich semantically the available information in the Web. From simple tree-like structures with syntactic constraints and type information, like DTDs and XML schemas, to hierarchies on a category/subcategory basis, like thematic hierarchi
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A Framework for the Design of ETL Scenarios
- Abstract. Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into a data warehouse. In this paper, we delve into the logical design of ETL scenarios. We describe a framework fo
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Heuristic algorithms for similar configuration retrieval in spatial databases
- Abstract. The search for similar configurations is an important research topic for content-based image retrieval in G.I.S. and spatial databases. Due to the complexity of the problem, finding the fittest solution in a large database is computationally intractable. Our work is focused on designing, i
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S.: Graph-Based Modeling of ETL Activities with Multi-level Transformations and Updates
- Abstract. Extract-Transform-Load (ETL) workflows are data centric workflows responsible for transferring, cleaning, and loading data from their respective sources to the warehouse. Previous research has identified graphbased techniques, in order to construct the blueprints for the structure of such
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Anonymity in Unstructured Data
- In this paper we study the problem of protecting privacy in the publication of set-valued data. Con-sider a collection of transactional data that contains detailed information about items bought together by individuals. Even after removing all personal characteristics of the buyer, which can serve a
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Constrained Shortest Path Computation ⋆
- Abstract. This paper proposes and solves a-autonomy and k-stops shortest path problems in large spatial databases. Given a source s and a destination d, anaautonomy query retrieves a sequence of data points connecting s and d, such that the distance between any two consecutive points in the path is
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