[PDF] Top 20 Economía social: la mujer y el microcrédito.

... Disruption tolerant networks (DTNs) are described by low node stupidity, erratic node versatility, and absence of worldwide system ...information access to portable ... See full document

... Disruption tolerant networks (DTNs) are characterized by low node density, unpredictable node mobility, and lack of global network ...on data forwarding, but only limited work has been ... See full document

... forwarding data to nodes with the highest ...brokers, data items are grouped into predefined channels, and are disseminated based on users’ subscriptions to these ...provide data access. ... See full document

... cache data at a set of network central locations (NCLs), each of which corresponds to a group of mobile nodes beingeasily accessed by other nodes in the ...a central node, which has ... See full document

... Disruption Tolerant Networks (DTNs), movable nodes connect to each other using opportunistic ...intermittent network connectivity exists in DTNs, and the subsequent difficulty of ... See full document

... for Efficient Data Access in Disruption Tolerant Networks”, MARCH 2014, allows the coordination and sharing of cached data through multiple nodes and decreases data ... See full document

... an access policy chosen by an encryptor, but a key is simply created with respect to an attributes ...an access policy on attributes and to encrypt confidential data under the access structure ... See full document

... or networks and finally integrating them with the existing infrastructure cohesively currently in use and not readily ...securing data storage with respect to the new state of the art ... See full document

... military networks scenario, the soldiers may temporarily disconnected from the connection of wireless devices due to jamming, mobility and environmental factor, mainly when they access in hostile ... See full document

... the access policy can be expressed with any monotone access structure under attributes of any chosen set of authorities; while HV [9] and RC [4] schemes only allow the AND gate among the sets of attributes ... See full document

... intermittent network connectivity and frequent partitions. Disruption- tolerant network (DTN) technologies are becoming successful solutions that allow wireless devices carried by soldiers to ... See full document

... an efficient and secure data retrieval method utilizing CP-ABE for decentralized DTNs where multiple key ascendant entities manage their attributes ...stored data is ensured even under the bellicose ... See full document

... cure data retrieval in DTNs. ABE features a mechanism that enables an access control over encrypted data using access policies and ascribed attributes among private keys and ... See full document

... challenging network scenarios suffer from intermittent connectivity and frequent divisions, for example in battleground if the network failure occurs then there is a chance to lose the ...the ... See full document

... system using Cipher text Policy Attribute Based Encryption (CP-ABE) for secures data retrieval in disruption tolerant military ...confidential data by reducing ...encrypting data ... See full document

... where data is stored or replicated such that only authorized mobile nodes can access the necessary information quickly and ...an access control system to protect the confidential data stored ... See full document

... Delay Tolerant Network (DTN) is a set of emerging networks that has extremely different characteristics from the other wireless network and ...stable network is not available so ... See full document

... enable data transfer when mobile nodes are only intermittently ...steady network, two hubs can just trade information when they move into the transmission scope of every other ...usable data transfer ... See full document

... Abstract— Network environment where the nodes are characterized by opportunistic connectivity are referred as Disruption /Delay Tolerant Network ...last, using Semi-Markov Chain ... See full document

... the data in the storage node; meanwhile, they should be still able to issue secret keys to ...the central authority and the local authorities engage in the arithmetic 2PC protocol with master secret keys of ... See full document