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Given a string S, the compressed indexing problem is to preprocess S into a compressed representation that supports fast substring queries. The goal is to use little space relative to the compressed size of S while supporting fast queries. We present a compressed index based on the Lempel–Ziv 1977 compression scheme. We obtain the following time-space trade-offs: For constant-sized alphabets (i...
ÐAfter a ªboomº period from the late 80s to the early 90s, there appears to have been a reduction in the amount of work published on Concurrency Control (CC) in real-time database systems (RTDBS) in general and firm RTDBS in particular. This may be because existing paradigms (e.g., Optimistic CC) have been pushed to their limits and it is difficult to extract additional meaningful performance. ...
Human papillomavirus (HPV) infections are deemed to play a role in the pathogenesis of oral cavity cancer (OCC). However, their exact prevalence and clinical significance remain unclear. Herein, we investigated the prevalence and prognostic value of HPV infections in a large sample of Taiwanese OCC patients.This study was designed as a retrospective cohort study. Between 2004 and 2011, we ident...
The performance of high-volume transaction processing systems is determined by the degree of hardware and data contention. This is especially a problem in the case of distributed systems with glob~! transactions accessing and updating objects from multiple systems. While the conventional two-phase locking method 11f centralized systems can be adapted for concurrency control in distributed syste...
The Health Protection Agency (HPA) (currently Public Health England) implemented the Health Protection Event-Based Surveillance (EBS) to provide additional national epidemic intelligence for the 2012 London Olympic and Paralympic Games (the Games). We describe EBS and evaluate the system attributes. EBS aimed at identifying, assessing and reporting to the HPA Olympic Coordination Centre (OCC) p...
In the recent times many accessible congestion control procedures have no capability to differentiate involving two major problems like packet loss by link crash and packet loss by congestion due to buffer overflow. Consequently these resolutions effect in form of wastage of possessions because they target only on the packet drop by link crash that has the unnecessary importance. Consumption of...
In this paper, we introduce an novel emotional agent system in 3D virtual world based on OCC (Ortony, Clore and Collins) theory, FCM (Fuzzy Cognitive Map) and GoalNet. The agent system is designed based on Goal Net model. Emotional modeling and decision making are based on OCC and FCM inference. Emotions modeled by the OCC model are incorporated into FCM inference. It has been shown emotion has...
OBJECTIVES To investigate whether nigrostriatal dopaminergic hypofunction is related to the extrapyramidal symptoms in patients with juvenile neuronal ceroid lipofuscinosis (JNCL). METHODS Nine patients with JNCL and seven healthy controls were studied using [18F]fluorodopa PET. RESULTS In the patients with JNCL [18F]fluorodopa uptake (K[i][occ]) in the putamen was 60% of the control mean a...
Theories of organizational culture and climate (OCC) applied to child welfare systems hypothesize that strategic dimensions of organizational culture influence organizational climate and that OCC explains system variance in youth outcomes. This study provides the first structural test of the direct and indirect effects of culture and climate on youth outcomes in a national sample of child welfa...
Petri Place/Transition (PT) nets are one of the most widely used models of concurrency. However, they still lack, in our view, a satisfactory semantics: on the one hand the \token game" is too intensional, even in its more abstract interpretations in term of nonsequential processes and monoidal categories; on the other hand, Winskel's basic unfolding construction, which provides a coreeection b...
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