995 resultados para multimedia documents


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Under the influence of intelligence-led policing models, crime analysis methods have known of important developments in recent years. Applications have been proposed in several fields of forensic science to exploit and manage various types of material evidence in a systematic and more efficient way. However, nothing has been suggested so far in the field of false identity documents.This study seeks to fill this gap by proposing a simple and general method for profiling false identity documents which aims to establish links based on their visual forensic characteristics. A sample of more than 200 false identity documents including French stolen blank passports, counterfeited driving licenses from Iraq and falsified Bulgarian driving licenses was gathered from nine Swiss police departments and integrated into an ad hoc developed database called ProfID. Links detected automatically and systematically through this database were exploited and analyzed to produce strategic and tactical intelligence useful to the fight against identity document fraud.The profiling and intelligence process established for these three types of false identity documents has confirmed its efficiency, more than 30% of documents being linked. Identity document fraud appears as a structured and interregional criminality, against which material and forensic links detected between false identity documents might serve as a tool for investigation.

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Contient : Vidimus (1497) des lettres de Marguerite, duchesse de Bourgogne, portant réception de l'hommage de Ferry, comte de Vaudémont, pour une rente sur le tonlieu de Damme (Arras, 22 novembre 1404) ; Affranchissement accordé par Marguerite de Joinville, comtesse de Vaudémont, à Geoffroy Parmentier et à Jeannette, sa femme, demeurant à Vézelise (1415) ; Lettres d'Antoine de Lorraine au duc de Bar, au sujet de déprédations commises dans la terre de Montiers-sur-Saulx (Vézelise, 1430) ; Déclaration de Philippe le Bon, duc de Bourgogne, concernant la mise en liberté de prisonniers faits depuis la trève, conclue sur sa médiation entre le duc de Bar et le comte de Vaudémont (1432) ; Lettres de Charles VII au comte Antoine (1443) ; Lettres du roi René au même (1435-1437) ; Lettres de la duchesse Isabelle au même (1435) ; « Instrument de Joffroi Bouquin, pour un accort fait à Condet-sur-Muselle, le xxije jour d'aoust l'an lxij, entre Pierre de Moncelz et le dit Joffroi pour ma dame, et messire Jehan de Saulmez pour monseigneur le duc de Bar » (28 mars 1363 ; n° 91 de la layette Traités III) ; Lettres du roi René portant don à Ferry II, comte de Vaudémont, du montant de l'imposition de 16 fl. par feu dans les seigneuries possédées par le dit Ferry en Provence (Angers, 27 décembre 1467) ; Vidimus (1477) des lettres du roi René, concédant la seigneurie de Beaufrémont au comte de Vaudémont (Marseille, 13 avril 1470) ; Mandement du roi René pour le paiement des gages de René, comte de Vaudémont, nommé gouverneur d'Anjou (Aix, 7 février 1473) ; Instructions données à Jean de Saint-Amadour et Huyn Roynette, lieutenant de Nancy, pour une mission auprès du roi (XVe siècle)

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Duc des Monts, n os 1-12. — Voy. Bibl. nat., ms. fr. 4882, pp. 3593-3598 ; Bibl. de Nancy, ms. 758, pp. 295-301. — Pièces concernant les prétentions d'Adolphe, duc de Berg, sur le duché de Bar, à cause de son mariage avec Yolande, fille de Robert, duc de Bar.

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Contient : Vidimus (1449) de quatre chartes relatives à Wolkrange (1400-1435) ; Don fait par Guérard de Rodemach à Kustgen von Rutgen, son vassal, de divers revenus en nature (1464) ; Lettres de Gilze von Busleiden, autorisant André d'Haraucourt à racheter, dans les douze ans, une rente qu'il avait constituée à son profit (1487) ; Accord entre Philippe, marquis de Bade, et Jean de Créhange, d'une part, et Marguerite d'Haraucourt, d'autre part, sur certaines contestations (1524) ; Investiture donnée au nom du roi d'Espagne à Georges de Créhange, pour ses fiefs mouvant des duché de Luxembourg et comté de Chiny (1572) ; Mémoire sur le ban de Rixange ; Liste des seigneurs, prélats, officiers, etc., convoqués aux États de Luxembourg

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This PhD thesis addresses the issue of scalable media streaming in large-scale networking environments. Multimedia streaming is one of the largest sink of network resources and this trend is still growing as testified by the success of services like Skype, Netflix, Spotify and Popcorn Time (BitTorrent-based). In traditional client-server solutions, when the number of consumers increases, the server becomes the bottleneck. To overcome this problem, the Content-Delivery Network (CDN) model was invented. In CDN model, the server copies the media content to some CDN servers, which are located in different strategic locations on the network. However, they require heavy infrastructure investment around the world, which is too expensive. Peer-to-peer (P2P) solutions are another way to achieve the same result. These solutions are naturally scalable, since each peer can act as both a receiver and a forwarder. Most of the proposed streaming solutions in P2P networks focus on routing scenarios to achieve scalability. However, these solutions cannot work properly in video-on-demand (VoD) streaming, when resources of the media server are not sufficient. Replication is a solution that can be used in these situations. This thesis specifically provides a family of replication-based media streaming protocols, which are scalable, efficient and reliable in P2P networks. First, it provides SCALESTREAM, a replication-based streaming protocol that adaptively replicates media content in different peers to increase the number of consumers that can be served in parallel. The adaptiveness aspect of this solution relies on the fact that it takes into account different constraints like bandwidth capacity of peers to decide when to add or remove replicas. SCALESTREAM routes media blocks to consumers over a tree topology, assuming a reliable network composed of homogenous peers in terms of bandwidth. Second, this thesis proposes RESTREAM, an extended version of SCALESTREAM that addresses the issues raised by unreliable networks composed of heterogeneous peers. Third, this thesis proposes EAGLEMACAW, a multiple-tree replication streaming protocol in which two distinct trees, named EAGLETREE and MACAWTREE, are built in a decentralized manner on top of an underlying mesh network. These two trees collaborate to serve consumers in an efficient and reliable manner. The EAGLETREE is in charge of improving efficiency, while the MACAWTREE guarantees reliability. Finally, this thesis provides TURBOSTREAM, a hybrid replication-based streaming protocol in which a tree overlay is built on top of a mesh overlay network. Both these overlays cover all peers of the system and collaborate to improve efficiency and low-latency in streaming media to consumers. This protocol is implemented and tested in a real networking environment using PlanetLab Europe testbed composed of peers distributed in different places in Europe.

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S'analitza el procés d'elaboració de la nova Llei d'arxius destacant les principals modificacions que recull el text definitiu en relació al projecte. Es comenten també els punts més destacats de la Llei al voltant de tres eixos principals: la definició del Sistema d'Arxius de Catalunya, el sistema de gestió documental i l'accés als documents del patrimoni documental català.

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L'article que es presenta és una reflexió sobre la gestió de la documentació administrativa en l'entorn de l'empresa. S'analitza, s'explica i s'exemplifica el mètode sistèmic de gestió dels documents administratius en l'organització. Es valora la funció i la tasca de la unitat gestora de la documentació administrativa com a actiu clau per a la gestió integral de la informació estratègica de l'empresa.