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A survey of RDF storage approaches
2012
ARIMA
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There is a real need to efficiently store and retrieve RDF data as the number and scale of Semantic Web in real-word applications in use increase. ...
Efficient data storage and query processing that can scale to large amounts of possibly schema-less data has become an important research topic. ...
To speed up keyword queries, the lexicon keeps an inverted index on string literals to allow fast full-text searches. ...
doi:10.46298/arima.1956
fatcat:j2zjgg4dvzhmjm7qoimwzknjc4
LSM-based Storage Techniques: A Survey
[article]
2019
arXiv
pre-print
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In this paper, we provide a survey of recent research efforts on LSM-trees so that readers can learn the state-of-the-art in LSM-based storage techniques. ...
Recently, the Log-Structured Merge-tree (LSM-tree) has been widely adopted for use in the storage layer of modern NoSQL systems. ...
This work was supported by NSF awards CNS-1305430, IIS-1447720, and IIS-1838248 along with industrial support from Amazon, Google, and Microsoft and support from The Donald Bren Foundation (via a Bren ...
arXiv:1812.07527v2
fatcat:cr6ancmllfdwrkxbowqtxy27gm
A Scatter Storage Scheme for Dictionary Lookups
1970
Information Technology and Libraries
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The theoretical aspects of computing hash addresses are developed, and several algorithms </span><span>are </span><span>evaluated. ...
Of particular interest </span><span>are </span><span>virtual scatter methods which combine the advantages of rapid search speed and reason</span><span>able storage requirements. ...
This paper presents a study of scatter storage schemes for application to dictionary lookup, methods which appear to be fast and yet conservative with storage. ...
doi:10.6017/ital.v3i3.5255
fatcat:64ooeovkonai5nputunwydtqqu
The RAMCloud Storage System
2015
ACM Transactions on Computer Systems
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It uses a uniform logstructured mechanism to manage both DRAM and secondary storage, which results in high performance and efficient memory usage. ...
As a result, applications are keeping more and more of their long-term data in DRAM. ...
In addition, fast crash recovery requires fast failure detection, and the system must deal with secondary errors that occur during recovery. ...
doi:10.1145/2806887
fatcat:fg3r5yahbjhxhcor6m2w2q6bxy
Dynamic storage allocation: A survey and critical review
[chapter]
1995
Lecture Notes in Computer Science
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Most theoretical analyses and empirical allocator evaluations to date have relied on very strong assumptions of randomness and independence, but real program behavior exhibits important regularities that ...
T h i s v ersion di ers in several very minor respects, mainly in formatting, correction of several typographical and editing errors, clari cation of a few sentences, and addition of a few footnotes and ...
Thanks also to Dave Barrett, Sheetal Kakkad, Doug Lea, Doug McIlroy, and Phong Vo for comments that have improved our understanding and presentation, and to Henry Baker and Janet Swisher for their help ...
doi:10.1007/3-540-60368-9_19
fatcat:vaq2b3gacfctzgwfpdjlblszvm
Application of Accelerators and Storage Rings
[chapter]
2020
Particle Physics Reference Library
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It is well known from Maxwell theory that electromagnetic radiation is emitted whenever electric charges are accelerated in free space. ...
Acknowledgment The authors are grateful to the International Atomic Energy Agency and in particular to Joao Alberto Osso and Amirreza Jalilian for the discussions and for providing ...
An overview of theoretical and experimental results for Xe, Au, and U projectiles impinging with kinetic energies from 80 to 1000 MeV/u on solid and gaseous targets ranging from Be to U is given in [200 ...
doi:10.1007/978-3-030-34245-6_11
fatcat:ulygcg5h3bb7ljs7djykuqnirm
Lexical storage and regular processes
1999
Behavioral and Brain Sciences
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Our experimental results indicate that adults have access to two distinct processing routes, one accessing (irregularly) inflected entries from the mental lexicon and another involving morphological decomposition ...
Following much work in linguistic theory, it is hypothesized that the language faculty has a modular structure and consists of two basic components, a lexicon of (structured) entries and a computational ...
ACKNOWLEDGMENTS The author's work is supported by grants Pu 97/5-2, Pu 97/10-1, and Pu 97/11-1 from the Deutsche Forschungsgemeinschaft (DFG). ...
doi:10.1017/s0140525x99242227
fatcat:ym5anhrnave73g25ngvcthjjni
BiGeo: A Foundational PaaS Framework for Efficient Storage, Visualization, Management, Analysis, Service, and Migration of Geospatial Big Data—A Case Study of Sichuan Province, China
2019
ISPRS International Journal of Geo-Information
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Through the research, development, and application practices achieved in recent years, we have gradually developed a common geospatial big data solution. ...
This paper summarizes the design, implementation, and experimental experience of BiGeo, which provides a new type of solution to the research and construction of geospatial big data. ...
Acknowledgments: Thanks to Chunlei Ren for his technical assistance and support in this study. Thanks to anonymous reviewers and editors for their contributions to improving this paper. ...
doi:10.3390/ijgi8100449
fatcat:2lrcd7m5z5gfrie5xdkeyc3nq4
Carbon capture and storage, bio-energy with carbon capture and storage, and the escape from the fossil-fuel lock-in
2011
Global Environmental Change
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Further efforts in synthesis and screening of adsorbents experimentally and theoretically, integration of the full process are needed. ...
Synthesis and screening of absorbents experimentally and theoretically, integration of the full process are important. Low cost and corrosion resistant materials for the strippers are important. 2. ...
Moreover, supply of concentrates and intermediates containing nickel is challenged by inappropriate classifications, affecting transport as well as storage and processing. ...
doi:10.1016/j.gloenvcha.2011.01.020
fatcat:lizgyrtffrgxvo4ohb6422jp6i
The magical number 4 in short-term memory: A reconsideration of mental storage capacity
2001
Behavioral and Brain Sciences
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The theoretical framework for understanding these results, further developed by Glenberg and Swanson (1986) , was one having to do with the ratio between the inter-item interval and the retention interval ...
a context where the goal is to search for storage capacity expressed in chunks. ...
doi:10.1017/s0140525x01003922
fatcat:z3ohoo6hmraufggyvwpbsxb6um
Scalable Storage for Digital Libraries
[chapter]
2003
Signals and Communication Technology
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in the digital library domain. ...
I propose a storage system optimised for digital libraries. ...
We will also simulate two speeds of interconnection fabric: "slow" 10 Mbps and "fast" 1 Gbps. Experimental results will be analysed using R [84] . ...
doi:10.1007/978-3-662-05300-3_12
fatcat:y44le2j27bemdkvlwyguuqadve
Distributed Storage Strategy and Visual Analysis for Economic Big Data
2021
Journal of Mathematics
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Economic big data should have the basic requirements of high storage efficiency and fast retrieval speed. ...
Experiments and tests have verified the distributed storage strategy proposed in this article, which proves that the Wiener distributed storage solution can save platform resources and configuration costs ...
Google is a well-known search company, and it ranks among the best in user searches. ...
doi:10.1155/2021/3224190
fatcat:quz7365lyra6dk3dgyucolsq3m
The potential for neutrino physics at muon colliders and dedicated high current muon storage rings
2002
Physics reports
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Muon decays in long straight sections of the storage rings would produce precisely characterized beams of electron and muon type neutrinos of unprecedented intensity. ...
Conceptual design studies are underway for muon colliders and other high-current muon storage rings that have the potential to become the first true "neutrino factories". ...
Further discussion on the experimental and theoretical issues for db FCNC searches at MCs is given elsewhere [14] . ...
doi:10.1016/s0370-1573(02)00011-x
fatcat:l6rmcgrmcrdu3guqkuatj2uooy
Proton-proton intersecting storage accelerator facility ISABELLE at the Brookhaven National Laboratory
1977
Reviews of Modern Physics
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Also in 1956, O'Neill suggested storing particles in separate fixed field storage 1 rings for colliding beam experiments. ...
Storage Rings -Historical Notes (O'Neill, 1966) Wider8e (1943) in a patent application in the early 1940's explicitly recognized the advantage of colliding beams to achieve higher c.m. energies. ...
or in special summer studies and workshops. ...
doi:10.1103/revmodphys.49.625
fatcat:gdlhm6azazetffss7zzd6i7lu4
Correct and stable sorting for overflow streaming data with a limited storage size and a uniprocessor
2021
PeerJ Computer Science
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The experimental results show that streaming data sort can handle a million permuted data by using a storage whose size is set as low as 35% of the data size. ...
Data continuously flow into the storage as consecutive chunks with chunk sizes less than the storage size. A theoretical analysis of the space bound and the time complexity is provided. ...
ADDITIONAL INFORMATION AND DECLARATIONS Funding This work was supported by Development and Promotion of Science and Technology Talents Project (DPST) and Thailand Research Fund under grant number RTA6080013 ...
doi:10.7717/peerj-cs.355
pmid:33817005
pmcid:PMC7959636
fatcat:jo3pijjivjevhinx23dp5owr6q
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