Results 11 to 20 of about 18,176,359 (256)

Adaptive Index Buffer [PDF]

open access: yes, 2022
With rapidly increasing datasets and more dynamic workloads, adaptive partial indexing becomes an important way to keep indexing efficiently. During times of changing workloads, the query performance suffers from inefficient tables scans while the index ...
Voigt, Hannes   +3 more
core   +1 more source

Buffer-aided cooperative networks [PDF]

open access: yes, 2015
In this thesis new methods are presented to achieve performance enhancement in wireless cooperative networks. In particular, techniques to improve diversity gain, throughput and minimise the transmission delay are described. A buffer-aided amplify-and-
Zhao Tian (400309)
core   +6 more sources

Two Way Concurrent Buffer System without Deadlock in Various Time Models Using Timed Automata [PDF]

open access: yes, 2014
Two way buffer system is a system that exhibits transfer of data using two buffers concurrently. It includes processes that synchronize to exchange data with each other along with executing certain delays between these synchronizations.
Rohit Mishra, Md Zeeshan and Sanjay Singh
core   +1 more source

A multi-exit recirculating optical packet buffer [PDF]

open access: yes, 2005
We propose a new type of recirculating buffer, the multiexit buffer (MEB), for use in asynchronous optical packet switches with statistical multiplexing, operating at speeds of 40-100 Gb/s.
Vanderbauwhede, W.A.   +2 more
core   +1 more source

CONSIDERING TRAVEL TIME RELIABILITY AND SAFETY FOR EVALUATION OF CONGESTION RELIEF SCHEMES ON EXPRESSWAY SEGMENTS

open access: yesIATSS Research, 2009
Evaluation of the efficiency of congestion relief schemes on expressways has generally been based on average travel time analysis. However, road authorities are much more interested in knowing the possible impacts of improvement schemes on safety and ...
Babak MEHRAN
doaj   +1 more source

Study on stiffness and shimmy stability of strut-type nose landing gear system

open access: yesHangkong gongcheng jinzhan, 2023
System stiffness (longitudinal, lateral, and torsional stiffness) is a meaningful index for strut nose landing gear design.It arises from profound significance to explore the influence law of system stiffness on shimmy stability for the anti-shimmy ...
FENG Guang   +5 more
doaj   +1 more source

Improving the efficiency of road traffic monitoring based on time and buffer indexes using geo-information data

open access: yesВестник гражданских инженеров, 2020
The article presents a description of approaches to evaluating the road traffic monitoring efficiency. The results of a comparative analysis of the efficiency and costs of road traffic monitoring are submitted using laboratory vehicles and geo-information data obtained from geo-information systems.
openaire   +1 more source

Buffer Allocation via Bottleneck-Based Variable Neighborhood Search

open access: yesApplied Sciences, 2020
This study addresses the challenging problem of efficient buffer allocation in production lines. Suitable locations for buffer allocation are determined to satisfy the desired throughput, while a suitable balance between solution quality and computation ...
Sixiao Gao   +5 more
doaj   +1 more source

Travel Time Prediction Models and Reliability Indices for Palestine Urban Road in Baghdad City

open access: yesAl-Khawarizmi Engineering Journal, 2017
Travel Time estimation and reliability measurement is an important issues for improving operation efficiency and safety of traffic roads networks.
Zainab Ahmed Al-Kaissi
doaj   +1 more source

A Gini coefficient based evaluation on the reliability of travel time forecasting

open access: yesJournal of King Saud University: Engineering Sciences, 2019
Traffic congestion is one of the most notorious troubles, one that undermines social costs in urbanized areas in the world. Because of the congestion problem, drivers are trying to find the shortest and most reliable paths.
Soong-Bong Lee   +2 more
doaj   +1 more source

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