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BACKGROUND Clinical experience with the Pipeline Embolization Device (PED) has been widely described in the literature since it obtained its European CE and FDA approvals in 2008 and 2011, respectively. The new generation of PED, the Pipeline Flex Embolization Device, received the CE mark of approval in March 2014. While the implant composition has not… (More)
BACKGROUND The Pipeline Flex embolization device has some peculiarities in comparison with the previous generation device. Despite recent reports of the modified delivery system, its safety is still unknown. OBJECTIVE To illustrate the intraprocedural and periprocedural complication rate with this new device in 30 consecutive patients. MATERIAL AND… (More)
The global throughput of an 802.11e WLAN is determined by EDCA (Enhanced Distributed Channel Access) parameters, among other aspects, that are usually configured with predetermined and static values. This study carefully evaluates the Quality of Service (QoS) of Wi-Fi with EDCA in several realistic scenarios with noise and a blend of wireless traffic (e.g.,… (More)
This paper presents a focused web crawler system which automatically creates a minority language corpora. The system uses a database of relevant and irrelevant documents testing the relevance of retrieved web documents. The system requires a starting web document to indicate where the search would begin.
Multi-Agent Systems (MAS) are increasingly popular in AI to solve complex problems; they are conceived to be flexible and to be able to adapt to different situations. However, this feature is often compromised because of the need to reach internal coordination. This paper suggests that this issue requires an architectural solution, distilled as a new… (More)
Bayesian models have been strikingly successful in a wide range of domains. However, the stochastic search algorithms generally used by these models have been criticized for not capturing the error-driven nature of human learning. Here, we incorporate error-driven proposals into a stochastic search algorithm and evaluate its performance on concept and… (More)
The pipeline embolization device (PED) has become a routine firstline option for the treatment of an increasing population of intracranial aneurysms at many neurovascular centers. Intraprocedural complications during PED deployment, or complications associated with migration of the device, are rarely reported problems. Significant mismatch in luminal… (More)