Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Staleness"”.
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Three Case Studies For Understanding, Measuring and Using a Compound Notion of Data Quality With Emphasis on the data Staleness Dimension
… time-related data quality notion of staleness can be defined, efficiently measured and monitored in a generic information system. Thus, we expand the corresponding state of the art with Application, System and Dimension aspects of data quality. In the Application context, we propose a …
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Micro load balancing with delayed queue lengths
… to piggyback this information. We find that staleness of this data does not have a huge impact on flow completion times compared to DRILL (6% increase) and still achieves a considerable advantage over ECMP (28% decrease).
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Optimizing Timeliness, Accuracy, and Cost in Geo-Distributed Data-Intensive Computing Systems
… metrics are critical: WAN traffic and staleness (i.e., delay in receiving results). To optimize these metrics, a system must determine when to communicate results from distributed resources to a central data warehouse. As an additional challenge, constrained WAN bandwidth often renders …
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Information Freshness Optimization in Real-time Network Applications
… with the objective of minimizing the sum of the staleness cost (which is a function of the AoI) and the update cost, then we obtain a closed-form optimal threshold-based policy by reformulating the problem as a Markov decision process (MDP). In the third part, we study the minimization of data …
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Credit rating agencies and conflicts of interest
… and its results; increasing competition; staleness reforms; internal governance; administrative registration; and requiring alternative business models. While the report primarily focuses on how the most recent financial crisis—and the related market for asset-backed securities—highlighted …
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The New Opera : how can the modern opera reach new audience?
… creativity or freedom within production due to staleness that lead individuals away from attending performances. The study found out that more innovation is needed for the Opera to remain relevant and able to attract new audiences. It is also found out that this can only be achieved through a …
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The expandable network disk
… uses chunks on a recovered brick without risk of staleness. The END prototype's write throughput on a cluster of 16 PC-based bricks is 150 megabytes/s with 2x replication. END continues after a single brick failure, re-incorporates a rebooting brick, and expands to include a new brick after a few …
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Quality-of-service provisioning in high speed networks : routing perspectives
… In addition, routing without considering the staleness of link state information may generate a significant percentage of false routing. Our proposed routing algorithm is capable of minimizing the impact of stale link state information without stochastic link state knowledge. Fourth, the …
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Automated Cloud Datastore and Infrastructure Management Under SLA
… stores on a per-operation basis, based on staleness (i.e., how old the observed value is with respect to the latest update on the data item) and latency threshold specified in the given SLA. Next, we present Consistify, a novel decentralized framework that automatically tunes the …
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New quality of service routing algorithms based on local state information. The development and performance evaluation of new bandwidth-constrained and delay-constrained quality of service routing algorithms based on localized routing strategies.
… associated overheads. Moreover, inaccuracy and staleness of global state information is another problem that is caused by relatively long update intervals, which can significantly deteriorate routing performance. Localized QoS routing, where source nodes take routing decisions based solely on …
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Mood disturbances associated with training distress in swimmers
<p>Titrating training volume to optimize physical readiness and avoid training distress in swimmers is a difficult challenge for coaches. The purpose of this study was to examine alterations in mood state in collegiate swimmers throughout an entire season and determine if there were differences …