Results 101 to 110 of about 2,534,483 (361)

Crypto Hash Algorithm-Based Blockchain Technology for Managing Decentralized Ledger Database in Oil and Gas Industry

open access: yesET Journal, 2019
This research work proposes a method for the securing and monitoring of petroleum product distribution records in a decentralized ledger database using blockchain technology.
Lukman Adewale Ajao   +3 more
semanticscholar   +1 more source

Database Perspectives on Blockchains [PDF]

open access: yesarXiv, 2018
Modern blockchain systems are a fresh look at the paradigm of distributed computing, applied under assumptions of large-scale public networks. They can be used to store and share information without a trusted central party. There has been much effort to develop blockchain systems for a myriad of uses, ranging from cryptocurrencies to identity control ...
arxiv  

Non‐Destructive and Mechanical Characterization of the Bond Quality of Co‐Extruded Titanium‐Aluminum Profiles

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates the bond quality of co‐extruded aluminum–titanium hybrid profiles, focusing on the lateral angular co‐extrusion (LACE) process. It examines how heat treatments (HT) affect intermetallic phase formation, bond strength, and material properties.
Norman Mohnfeld   +9 more
wiley   +1 more source

Analysis of Temperature and Stress Distribution on the Bond Properties of Hybrid Tailored Formed Components

open access: yesAdvanced Engineering Materials, EarlyView.
Hybrid materials enable high‐performance components but are challenging to process. This study explores an inductive heating concept with spray cooling for steel–aluminum specimens in a two‐step process including friction welding and cup backward extrusion.
Armin Piwek   +7 more
wiley   +1 more source

Database Consistency Using Update-Ordering in Distributed Databases

open access: yesJournal of Algorithms & Computational Technology, 2007
Database consistency is one of the major issues in replicated database in distributed database systems. The logical design for the replicated nodes and the transaction management mechanism are two aspects that give a serious impact to the performance and
W. N. Shuhadah   +4 more
doaj   +1 more source

Modelling a transaction manager using parallel decision processes [PDF]

open access: yes, 1990
This is the second report concerning transaction management in the database environment. In the first report the role of the transaction manager in protecting the integrity of a database has been studied [van der Made-Potuijt 1989].
Made-Potuijt, S.C. van der
core  

Probabilistic Frequent Pattern Growth for Itemset Mining in Uncertain Databases (Technical Report) [PDF]

open access: yesarXiv, 2010
Frequent itemset mining in uncertain transaction databases semantically and computationally differs from traditional techniques applied on standard (certain) transaction databases. Uncertain transaction databases consist of sets of existentially uncertain items. The uncertainty of items in transactions makes traditional techniques inapplicable. In this
arxiv  

A Novel Approach on Rapid Alloy Development of Tool Steels for Laser Powder Bed Fusion by In Situ Alloying

open access: yesAdvanced Engineering Materials, EarlyView.
A novel approach for alloy development in laser powder bed fusion is introduced. Instead of producing massive samples of one composition at a time, prepressed powder bed samples produced from powder mixtures are processed. Guidelines for the selection of precursor powders are developed.
Felix Großwendt   +6 more
wiley   +1 more source

Outlier Detection Credit Card Transactions Using Local Outlier Factor Algorithm (LOF)

open access: yesIJCCS (Indonesian Journal of Computing and Cybernetics Systems), 2019
Threats or fraud for credit card owners and banks as service providers have been harmed by the actions of perpetrators of credit card thieves. All transaction data are stored in the bank's database, but are limited in information and cannot be used as a ...
Silvano Sugidamayatno, Danang Lelono
doaj   +1 more source

Transaction Management Model for Mobile Database [PDF]

open access: yes, 2006
Transaction support is crucial in mobile data management. Specific characteristics of mobile environments (e.g. variable bandwidth, disconnections, and limited resources on mobile hosts) make traditional transaction management techniques no longer ...
Al-Khinalie, Ziyad Tariq Abdul-Mehdi
core  

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