Filters








63 Hits in 1e+01 sec

Scaling Out All Pairs Similarity Search with MapReduce

Gianmarco De Francisci Morales, Claudio Lucchese, Ranieri Baraglia
2010 Annual International ACM SIGIR Conference on Research and Development in Information Retrieval  
The proposed algorithm is based on the inverted index approach and incorporates state-of-theart pruning techniques.  ...  We evaluate several heuristics aimed at reducing the communication costs and the load imbalance.  ...  ACKNOWLEDGEMENTS This work was partially supported both by the EU-FP7-215483 (S-Cube) and the POR-FESR 2007-2013 (VISITO Tuscany) projects.  ... 
dblp:conf/sigir/MoralesLB10 fatcat:juqfdmkv4belzbijwlk2uq4mxm

Compact Vectors of Locally Aggregated Tensors for 3D Shape Retrieval [article]

Hedi Tabia, David Picard, Hamid Laga, Philippe-Henri Gosselin
2013 Eurographics Workshop on 3D Object Retrieval, EG 3DOR  
For a given 3D shape, the approach extracts a very large and dense set of local descriptors.  ...  While the first and the last points have vastly been addressed in recent years, in this paper, we focus on the second point; presenting a new 3D object retrieval method using a new coding/pooling technique  ...  Hamid Laga is supported by the South Australian State Government through its Premiers Science and Research Fund.  ... 
doi:10.2312/3dor/3dor13/017-024 fatcat:dt5noj4btngnji2b5osdaoc4gy

Real-World Recommender Systems for Academia: The Pain and Gain in Building, Operating, and Researching them [Long Version] [article]

Joeran Beel, Siddharth Dinesh
2017 arXiv   pre-print
In the past six years, we built three research-article recommender systems for digital libraries and reference managers, and conducted research on these systems.  ...  Research on recommender systems is a challenging task, as is building and operating such systems.  ...  Proceedings of the Large-Scale and Distributed Systems for Information Retrieval Workshop (LSDS-IR) (pp. 17–22).  ... 
arXiv:1704.00156v1 fatcat:izfdxcmmo5dhrpr4ddoxak6cqy

A Direct Link between Feature Tracking and Height Assignment of Operational EUMETSAT Atmospheric Motion Vectors

Régis Borde, Marie Doutriaux-Boucher, Greg Dew, Manuel Carranza
2014 Journal of Atmospheric and Oceanic Technology  
This paper presents a method based on a closer link between the pixels used for tracking and their HA.  ...  This paper details the method, gives specific examples, and provides a first glance at its performances and benefits for the operational AMV production.  ...  Satellite systems with retrieval methods that assume a single-layer cloud do not provide correct cloud-top height information in the case of multilayer situations (Borde and Dubuisson, 2010; Chang et  ... 
doi:10.1175/jtech-d-13-00126.1 fatcat:eaxrq7khs5hnhbdae5p3b5hs5q

A Survey of Simultaneous Localization and Mapping with an Envision in 6G Wireless Networks [article]

Baichuan Huang, Jun Zhao, Jingbin Liu
2020 arXiv   pre-print
For Lidar or visual SLAM, the survey illustrates the basic type and product of sensors, open source system in sort and history, deep learning embedded, the challenge and future.  ...  Simultaneous Localization and Mapping (SLAM) achieves the purpose of simultaneous positioning and map construction based on self-perception.  ...  Pointnetvlad: Deep point cloud based retrieval for large-scale place recognition.  ... 
arXiv:1909.05214v4 fatcat:itnluvkewfd6fel7x65wdgig3e

CvxPnPL: A Unified Convex Solution to the Absolute Pose Estimation Problem from Point and Line Correspondences [article]

Sérgio Agostinho, João Gomes, Alessio Del Bue
2019 arXiv   pre-print
In such cases, the 3D pose candidates are found by further enforcing geometric constraints on the solution space and then retrieving such poses from the intersections of multiple quadrics.  ...  Experiments provide results in line with the best performing state of the art methods while providing the flexibility of solving for an arbitrary number of points and lines.  ...  The authors would like to thank Jacopo Cavazza and all present at the Optimization Methods in Geometric Vision seminar at the 2019 NII Shonan Meetings, for their suggestions and insightful discussions.  ... 
arXiv:1907.10545v2 fatcat:lbxk4lkd7naibkor2gcowbmhmq

Galaxy masses

Stéphane Courteau, Michele Cappellari, Roelof S. de Jong, Aaron A. Dutton, Eric Emsellem, Henk Hoekstra, L. V. E. Koopmans, Gary A. Mamon, Claudia Maraston, Tommaso Treu, Lawrence M. Widrow
2014 Reviews of Modern Physics  
The different sections on masses from stellar populations, dynamical masses of gas-rich and gas-poor galaxies, with some attention paid to our Milky Way, and masses from weak and strong lensing methods  ...  , all provide review material on galaxy masses in a self-consistent manner.  ...  On large scales the biasing is (close to) linear and the galaxy and dark matter distributions are well correlated.  ... 
doi:10.1103/revmodphys.86.47 fatcat:ia372ah44bfa7jbifdpn5c5kbi

Towards Effective Research-Paper Recommender Systems and User Modeling based on Mind Maps [article]

Joeran Beel
2017 arXiv   pre-print
While user-modeling and recommender systems successfully utilize items like emails, news, and movies, they widely neglect mind-maps as a source for user modeling.  ...  Such systems could create additional value for millions of mind-mapping users.  ...  110 This chapter has been published as: Beel, Joeran, Bela Gipp, Ammar Shaker, and Nick Friedrich.  ... 
arXiv:1703.09109v1 fatcat:egcsnop34jbi7p2urz34pxr3vi

Evaluating Criminal Transactional Methods in Cyberspace as Understood in an International Context

R.V. Gundur, Michael Levi, Volkan Topalli, Marie Ouellet, Maria Stolyarova, Lennon Yao-Chung Chang, Diego Domínguez Mejía
2021 CrimRxiv  
Research assistance was provided by Tessa Cole and David Flint. Editorial assistance was provided by Isobel Scavetta.  ...  For instance, one botnet attack involved a large-scale phishing scam.  ...  of cybercrime and cybercriminals as follows (2019: 2-5): It is becoming difficult for individuals to commit large scale cybercrime on their own.  ... 
doi:10.21428/cb6ab371.5f335e6f fatcat:vmrt7shntreqbg2z5mgysr5anq

Present State of CFD Softwares Application for Launch Vehicle Analysis
발사체 해석을 위한 CFD 소프트웨어 적용 현황

Hwanghui Jeong, Jae Yeol Kim, Jae-Ryul Shin
2020 Journal of the Korean Society of Propulsion Engineers  
Please visit the following URL for additional information: http://opensource .gsfc .nasa .gov/projects/xml2he/index .  ...  This software program takes an XML representation of the contents of a Hierarchical Data Format-Earth Observing System (HDF-EOS) file and recreates the file from that description .  ...  U.S. and Foreign Release Requirements Tracing On Target (RETRO) GSC-14976-1 RETRO offers methods and techniques for information retrieval (IR), including vector retrieval and probabilistic retrieval .  ... 
doi:10.6108/kspe.2020.24.3.071 fatcat:trxkhiuqrjakll32bcjxskgwju

Weighing stars from birth to death: mass determination methods across the HRD [article]

Aldo Serenelli, Achim Weiss, Conny Aerts, George C. Angelou, David Baroch, Nate Bastian, Paul G. Beck, Maria Bergemann, Joachim M. Bestenlehner, Ian Czekala, Nancy Elias-Rosa, Ana Escorza (+22 others)
2021 arXiv   pre-print
The mass of a star is the most fundamental parameter for its structure, evolution, and final fate. It is particularly important for any kind of stellar archaeology and characterization of exoplanets.  ...  We include methods for different evolutionary stages, from the pre-main sequence to evolved (super)giants and final remnants. For all methods uncertainties and restrictions will be discussed.  ...  for complex and high contrast systems as shown by Tkachenko et al. (2013) .  ... 
arXiv:2006.10868v2 fatcat:3ay67dlngbd65k5nrvawghe47m

Citation recommendation: approaches and datasets

Michael Färber, Adam Jatowt
2020 International Journal on Digital Libraries  
We then present an overview of the approaches and data sets for citation recommendation and identify differences and commonalities using various dimensions.  ...  Due to the overload of published scientific works in recent years on the one hand, and the need to cite the most appropriate publications when writing scientific texts on the other hand, citation recommendation  ...  AAAI'10 Bethard et al. [20] CIKM'10 He et al. [71] WSDM'11 Lu et al. [107] CIKM'11 Wu et al. [167] FSKD'12 He et al. [69] SPIRE'12 Huang et al. [74] CIKM'12 Rokach et al. [134] LSDS-IR  ... 
doi:10.1007/s00799-020-00288-2 fatcat:6gig2fv6uvfipipphtemb5thfm

Abstracts for the 42nd Human Genetics Society of Australasia Annual Scientific Meeting Sydney, New South Wales August 4–7, 2018

2018 Twin Research and Human Genetics  
Harmonizing these data represents a tremendous opportunity to understand the distribution of genetic variants across human genes, and their impact on human phenotypes and disease risk.  ...  I will describe the construction of this resource, and the ways it can be used to interpret individual genetic variants, to identify genes (and regions of genes) depleted of functional variation, and to  ...  Three ml of blood specimen was collected for genomic DNA isolation and amplification of TPO gene (Exon 8 to Exon 14) by PCR followed by Sanger Sequencing.  ... 
doi:10.1017/thg.2018.51 pmid:30284531 fatcat:2fzkr56iwndxfhcpcuuwtxymkm

Alien Plant Species: Environmental Risks in Agricultural and Agro-Forest Landscapes Under Climate Change [chapter]

Joana R. Vicente, Ana Sofia Vaz, Ana Isabel Queiroz, Ana R. Buchadas, Antoine Guisan, Christoph Kueffer, Elizabete Marchante, Hélia Marchante, João A. Cabral, Maike Nesper, Olivier Broennimann, Oscar Godoy (+4 others)
2019 Climate Change Management  
Alien plant species have been essential for farming and agro-forestry systems and for their supply of food, fiber, tannins, resins or wood from antiquity to the present.  ...  In this chapter, we focus on crop and non-crop alien plant species for which there is evidence or prediction of invasive behaviour and impacts.  ...  This is largely because there have not been large scale studies on honey bee abundance and distribution. There is need for a country wide bee abundance assessment.  ... 
doi:10.1007/978-3-319-75004-0_13 fatcat:6cdyix4wqrh25hnqudigzts4ky

أبریل 2017

2017 مجلة دراسات الطفولة  
(Van Dulmen et.al. 2015) Application of QOL research should be based on meticulous design, involved large scale of individuals and disease-specific if possible.  ...  Kozar, "The technology acceptance model past, present and future", Communications of association for information systems, Vol. 2, No. 1, 2003, p. 750. 17.  ... 
doi:10.21608/jsc.2017.93208 fatcat:7aqvpcshcjhd5ld4pwbsursrpe
« Previous Showing results 1 — 15 out of 63 results