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Author:
Publisher: Ed. Techniques Ingénieur
ISBN:
Category :
Languages : fr
Pages : 10
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Book Description
Author:
Publisher: Ed. Techniques Ingénieur
ISBN:
Category :
Languages : fr
Pages : 10
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Book Description
Author: Agnès Voisard
Publisher:
ISBN:
Category :
Languages : fr
Pages : 198
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Book Description
LES SYSTEMES D'INFORMATION GEOGRAPHIQUES (SIG) SERVENT DE SUPPORT AUX APPLICATIONS QUI MANIPULENT DES DONNEES GEOGRAPHIQUES, TELLES QUE LA PLANIFICATION URBAINE, LA REGULATION DE LA CIRCULATION, LA GESTION DES RESSOURCES NATURELLES. LES PROBLEMES MAJEURS POSES PAR LA REALISATION DE SIG SONT LIES D'UNE PART A LA GESTION D'UN GROS VOLUME DE DONNEES, D'AUTRE PART A LA COEXISTENCE DE DEUX TYPES DE DONNEES: LA DESCRIPTION DES CARTES (DONNEES ALPHANUMERIQUES) ET LEUR SPATIALITE (GEOMETRIE ET TOPOLOGIE). LES DONNEES SPATIALES POSENT DE PLUS UN DOUBLE PROBLEME CAR ELLES DOIVENT ETRE MANIPULEES PAR DES OPERATIONS SPECIFIQUES ET LEUR STRUCTURATION EST COMPLEXE ET EMINEMMENT VARIABLE. POUR STOCKER, INTERROGER ET MANIPULER LES DONNEES, LES SIG PEUVENT UTILISER DES SYSTEMES DE GESTION DE BASES DE DONNEES (SGBD) DOTES DE FONCTIONNALITES PARTICULIERES POUR GERER DES DONNEES SPATIALES. NOTRE TRAVAIL A TOUT D'ABORD PORTE SUR LES PROBLEMES DE MODELISATION DE L'INFORMATION GEOGRAPHIQUE ET A ABOUTI A LA PROPOSITION D'UN MODELE ORIGINAL, BASE SUR UN MODELE A OBJETS COMPLEXES, POUR APPLICATIONS MANIPULANT DES CARTES THEMATIQUES. POUR VALIDER CE MODELE, NOUS AVONS IMPLEMENTE UNE MAQUETTE DE SIG AU-DESSUS DU PROTOTYPE DE SGRD ORIENTE-OBJET O2. CETTE EXPERIENCE NOUS A PERMIS DE DEGAGER DES ENSEIGNEMENTS MULTIPLES. EN PARTICULIER, LA CONCEPTION D'INTERFACES UTILISATEURS SPECIFIQUES AUX SIG S'EST AVEREE ETRE UNE TACHE INDISPENSABLE ET COMPLEXE. CETTE CONSTATATION A CONDUIT A LA PROPOSITION D'UN MODELE D'INTERFACE POUR CONCEPTEURS D'APPLICATIONS GEOGRAPHIQUES, PREMIERE ETAPE VERS UNE BOITE A OUTILS PERMETTANT DE MANIPULER UNE LARGE GAMME D'APPLICATIONS GEOGRAPHIQUES. LES SYSTEMES D'INFORMATION GEOGRAPHIQUE ET FINALEMENT LES INTERFACES POUR SYSTEMES D'INFORMATION GEOGRAPHIQUE SONT LES TROIS POINTS AUXQUELS NOUS NOUS INTERESSONS DANS CETTE THESE
Author: Agnès Voisard
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Author: A. Hameurlain
Publisher: Springer Science & Business Media
ISBN: 9783540634782
Category : Business & Economics
Languages : en
Pages : 712
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Book Description
This book contains the refereed proceedings of the 8th International Conference on Database and Expert Systems Applications, DEXA '97, held in Toulouse, France, September 1997. The 62 revised full papers presented in the book, together with three invited contributions, were selected from a total of 159 submissions. The papers are organized in sections on modeling, object-oriented databases, active and temporal aspects, images, integrity constraints, multimedia databases, deductive databases and knowledge-based systems, allocation concepts, data interchange, digital libraries, transaction concepts, learning issues, optimization and performance, query languages, maintenance, federated databases, uncertainty handling and qualitative reasoning, and software engineering and reusable software.
Author: Rivero, Laura C.
Publisher: IGI Global
ISBN: 1591407958
Category : Education
Languages : en
Pages : 784
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Book Description
"Addresses the evolution of database management, technologies and applications along with the progress and endeavors of new research areas."--P. xiii.
Author: Thomas Devogele
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Author: Viviana E. Ferraggine
Publisher: IGI Global
ISBN: 1605662437
Category : Computers
Languages : en
Pages : 986
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Book Description
"This book provides a wide compendium of references to topics in the field of the databases systems and applications"--Provided by publisher.
Author: Rodolphe Devillers
Publisher: John Wiley & Sons
ISBN: 0470394811
Category : Mathematics
Languages : en
Pages : 311
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Book Description
This book explains the concept of spatial data quality, a key theory for minimizing the risks of data misuse in a specific decision-making context. Drawing together chapters written by authors who are specialists in their particular field, it provides both the data producer and the data user perspectives on how to evaluate the quality of vector or raster data which are both produced and used. It also covers the key concepts in this field, such as: how to describe the quality of vector or raster data; how to enhance this quality; how to evaluate and document it, using methods such as metadata; how to communicate it to users; and how to relate it with the decision-making process. Also included is a Foreword written by Professor Michael F. Goodchild.
Author: Wenzhong Shi
Publisher: CRC Press
ISBN: 1134514395
Category : Technology & Engineering
Languages : en
Pages : 474
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Book Description
As research in the geosciences and social sciences becomes increasingly dependent on computers, applications such as geographical information systems are becoming indispensable tools. But the digital representations of phenomena that these systems require are often of poor quality, leading to inaccurate results, uncertainty, error propagation, and
Author: Michael Gould
Publisher: EPFL Press
ISBN: 9782880745417
Category :
Languages : en
Pages : 796
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Book Description
