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Self-stabilizing Localization of the Middle Point of a Line Segment by an Oblivious Robot with Limited Visibility [chapter]

Akihiro Monde, Yukiko Yamauchi, Shuji Kijima, Masafumi Yamashita
<span title="">2017</span> <i title="Springer International Publishing"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2w3awgokqne6te4nvlofavy5a4" style="color: black;">Lecture Notes in Computer Science</a> </i> &nbsp;
The question is if an oblivious mobile robot on a line-segment can localize the middle point of the line-segment in finite steps observing the direction (i.e., Left or Right) and distance to the nearest  ...  This paper poses a question about a simple localization problem, which is arisen from self-stabilizing location problems by oblivious mobile autonomous robots with limited visibility.  ...  Acknowledgement This work is partly supported by JSPS KAKENHI Grant Number 17K19982.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-319-69084-1_12">doi:10.1007/978-3-319-69084-1_12</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/4d4fdhlrnrcxfgvybrnvp56npe">fatcat:4d4fdhlrnrcxfgvybrnvp56npe</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190221032205/http://pdfs.semanticscholar.org/32a7/2bfb755733481e45be229f0897b8dbe76e35.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/32/a7/32a72bfb755733481e45be229f0897b8dbe76e35.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-319-69084-1_12"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> springer.com </button> </a>

Can Walker Localize The Middle Point of A Line-segment? [article]

Akihiro Monde, Yukiko Yamauchi, Shuji Kijima, Masafumi Yamashita
<span title="2019-01-07">2019</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
The question is if an oblivious walker on a line-segment can localize the middle point of the line-segment in finite steps observing the direction (i.e., Left or Right) and the distance to the nearest  ...  This problem is arisen from self-stabilizing location problems by autonomous mobile robots with limited visibility, that is a widely interested abstract model in distributed computing.  ...  Acknowledgement A preliminary version appeared in [17] 5 . This work was/is partly supported by JSPS KAKENHI Grant Numbers JP15K15938 and JP17K19982.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/1707.06398v2">arXiv:1707.06398v2</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/4stpuitmyzei7iksbslai6sraq">fatcat:4stpuitmyzei7iksbslai6sraq</a> </span>
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TuringMobile: A Turing Machine of Oblivious Mobile Robots with Limited Visibility and its Applications [article]

Giuseppe A. Di Luna, Paola Flocchini, Nicola Santoro, Giovanni Viglietta
<span title="2018-08-06">2018</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
In this paper we investigate the computational power of a set of mobile robots with limited visibility.  ...  Each robot is punctiform and memoryless, it operates in R^m, it has a local reference system independent of the other robots' ones, and is activated asynchronously by an adversarial scheduler.  ...  Clearly obliviousness is a desirable property as it ensures a degree of self-stabilization and fault-tolerance into the system and its computations.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/1709.08800v2">arXiv:1709.08800v2</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/x7ltoeuihfeb3efzo3fpmxz36y">fatcat:x7ltoeuihfeb3efzo3fpmxz36y</a> </span>
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Computing by Mobile Robotic Sensors [chapter]

Paola Flocchini, Giuseppe Prencipe, Nicola Santoro
<span title="2010-11-08">2010</span> <i title="Springer Berlin Heidelberg"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/vsjzktusc5hm7absfyshlt4fk4" style="color: black;">Monographs in Theoretical Computer Science</a> </i> &nbsp;
The research areas of mobile robotic sensors lie in the intersection of two major fields of investigations carried out by quite distinct communities of researchers: autonomous robots and mobile sensor  ...  Robotic sensors are micro-robots capable of locomotion and sensing. Like the sensors in wireless sensor networks, they are myopic: their sensing range is limited.  ...  They show that the availability of orientation 5 allows a set of anonymous oblivious sensors with limited visibility to gather at a single point in finite time.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-642-14849-1_21">doi:10.1007/978-3-642-14849-1_21</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/series/eatcs/FlocchiniPS11.html">dblp:series/eatcs/FlocchiniPS11</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/moittdti4vh6viqtuzlppiyyk4">fatcat:moittdti4vh6viqtuzlppiyyk4</a> </span>
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Meeting in a polygon by anonymous oblivious robots

Giuseppe Antonio Di Luna, Paola Flocchini, Nicola Santoro, Giovanni Viglietta, Masafumi Yamashita
<span title="2019-09-13">2019</span> <i title="Springer Science and Business Media LLC"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/c5flcyc6ozdv3p2dehbhbc7pqy" style="color: black;">Distributed computing</a> </i> &nbsp;
Furthermore, we give an improved algorithm that optimally solves the Meeting problem with k = 2 searchers in all polygons whose barycenter is not in a hole (which includes the polygons with no holes).  ...  Moreover, oblivious searchers can execute our algorithms as well, encoding information by carefully positioning themselves within the polygon.  ...  We say that a point p ∈ P sees a point q ∈ P (or, equivalently, that q is visible to p) if the line segment pq lies in P . If a polygon has an axis of symmetry, we say that it is axially symmetric.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/s00446-019-00362-2">doi:10.1007/s00446-019-00362-2</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/kxxkvx6syneufhp2jr65ywtcpu">fatcat:kxxkvx6syneufhp2jr65ywtcpu</a> </span>
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Meeting in a Polygon by Anonymous Oblivious Robots [article]

Giuseppe A. Di Luna, Paola Flocchini, Nicola Santoro, Giovanni Viglietta, Masafumi Yamashita
<span title="2019-07-06">2019</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
Our algorithms use a self-stabilizing map construction subroutine which is of independent interest.  ...  Furthermore, we give an improved algorithm that optimally solves the Meeting problem with k=2 searchers in all polygons whose barycenter is not in a hole (which includes the polygons with no holes).  ...  We thank Francesco Veneziano for a clarifying discussion.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/1705.00324v4">arXiv:1705.00324v4</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/il4pe72a3bbbnpmpid6xpkwebu">fatcat:il4pe72a3bbbnpmpid6xpkwebu</a> </span>
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Computations by Luminous Robots [chapter]

Paola Flocchini
<span title="">2015</span> <i title="Springer International Publishing"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2w3awgokqne6te4nvlofavy5a4" style="color: black;">Lecture Notes in Computer Science</a> </i> &nbsp;
On the other hand, it is a very desirable characteristic because it provides a form of faulttolerance and self-stabilization.  ...  Recently, to partially overcome the limits of obliviousness while maintaining some of its advantages, a stronger model has been introduced where oblivious robots carry a "light" that can take different  ...  I would like to thank the researchers who have collaborated with me in the investigations on luminous robots: Shantanu Das, Giuseppe Di Luna, Sruti Gan Chaudhuri, Federico Poloni, Giuseppe Prencipe, Nicola  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-319-19662-6_17">doi:10.1007/978-3-319-19662-6_17</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/exsnoiblijafnf6jz4xn4z3x74">fatcat:exsnoiblijafnf6jz4xn4z3x74</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20160929093537/http://www.site.uottawa.ca:80/~flocchin/Papers/AdHocNow2015.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/42/75/42755427412226842151066ee8e387c8c390758c.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-319-19662-6_17"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> springer.com </button> </a>

Local spreading algorithms for autonomous robot systems

Reuven Cohen, David Peleg
<span title="">2008</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/elaf5sq7lfdxfdejhkqbtz6qoq" style="color: black;">Theoretical Computer Science</a> </i> &nbsp;
This paper studies local algorithms for autonomous robot systems, namely, algorithms that use only information of the positions of a bounded number of their nearest neighbors.  ...  It defines measures for the quality of spreading, presents a local algorithm for the one-dimensional spreading problem, proves its convergence to the equally spaced configuration and discusses its convergence  ...  Acknowledgements We are grateful to the anonymous referees, whose remarks and suggestions helped to considerably improve the presentation.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.tcs.2008.02.007">doi:10.1016/j.tcs.2008.02.007</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/25ffun6gwjak7ll5cjt66vmyn4">fatcat:25ffun6gwjak7ll5cjt66vmyn4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190321120058/https://core.ac.uk/download/pdf/81996256.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/69/fd/69fd59f3938083023e3ecee422a1c39828d97433.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.tcs.2008.02.007"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a>

The Effect of Synchronicity on the Behavior of Autonomous Mobile Robots

Giuseppe Prencipe
<span title="2005-06-29">2005</span> <i title="Springer Nature"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/qj6jzeossfhihfshwf7nb7lbcq" style="color: black;">Theory of Computing Systems</a> </i> &nbsp;
to study the problem from a computational point of view.  ...  Over the past few years, the focus of robotic design has been moving from a scenario where a few specialized (and expensive) units were used to solve a variety of tasks, to a scenario where many general  ...  Acknowledgments I thank Vincenzo Gervasi, Nicola Santoro, Anna Bernasconi, Valentina Ciriani, and the anonymous referees for the discussions and comments that helped with the writing of this paper.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/s00224-005-1101-1">doi:10.1007/s00224-005-1101-1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/4kmossntcjeqjkqbyolmizxq4y">fatcat:4kmossntcjeqjkqbyolmizxq4y</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180721162944/http://sbrinz.di.unipi.it/~peppe/Articoli/Riviste/2005-TOCS.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/a9/37/a937641fa59c41ecc1b6ce25ff0a5695285a28f3.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/s00224-005-1101-1"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> springer.com </button> </a>

Local Algorithms for Autonomous Robot Systems [chapter]

Reuven Cohen, David Peleg
<span title="">2006</span> <i title="Springer Berlin Heidelberg"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/2w3awgokqne6te4nvlofavy5a4" style="color: black;">Lecture Notes in Computer Science</a> </i> &nbsp;
This paper studies local algorithms for autonomous robot systems, namely, algorithms that use only information of the positions of a bounded number of their nearest neighbors.  ...  Finally, the paper also proposes an algorithm for the two-dimensional case and presents simulation results of its e ectiveness. ? Supported in part by a grant from the Israel Science Foundation.  ...  The aim is to spread the robots along this line with equal spacing between each pair of adjacent robots, where the size of the occupied segment is determined by the positions of the leftmost and rightmost  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/11780823_4">doi:10.1007/11780823_4</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/x2t763wn4nc2lnal4acoiyjun4">fatcat:x2t763wn4nc2lnal4acoiyjun4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20081031221349/http://physionet.ph.biu.ac.il/~cohenr/publications/local.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/07/a2/07a2f455ffc42633865e61e13f986b1cf80a24aa.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/11780823_4"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> springer.com </button> </a>

Uniform Covering of Rings and Lines by Memoryless Mobile Sensors [chapter]

Paola Flocchini
<span title="">2016</span> <i title="Springer New York"> Encyclopedia of Algorithms </i> &nbsp;
Each sensor is a point with its own local coordinate system, which might not be consistent with the ones of the other sensors.  ...  The sensor can move in any direction, but it may be stopped before reaching its destination, e.g. because of limits to its motion energy; however, it is assumed that the distance traveled in a move by  ...  The advantage of memoryless sensors are self-stabilization and tolerance to loss of sensors, the use of local coordinate systems has clear advantages over the full strength of a GPS; finally, decentralized  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-1-4939-2864-4_594">doi:10.1007/978-1-4939-2864-4_594</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/nzf3altpcfdldkz2y6mg4d2o54">fatcat:nzf3altpcfdldkz2y6mg4d2o54</a> </span>
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Compacting oblivious agents on dynamic rings

Shantanu Das, Giuseppe Antonio Di Luna, Daniele Mazzei, Giuseppe Prencipe
<span title="2021-04-22">2021</span> <i title="PeerJ"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/zs2czkfyybggbpvr26rbyxpsjy" style="color: black;">PeerJ Computer Science</a> </i> &nbsp;
The agents can autonomously move on the network, with the goal of solving cooperatively an assigned common task. Here, we focus on a specific network: the unoriented ring.  ...  In the case of agents with colors, called the Colored Compact Configuration Problem, the goal is to group agents such that each group is formed by all agents having the same color, it occupies a continuous  ...  ACKNOWLEDGEMENTS A special thanks goes to Linda Pagli, who participated in the first revision of this paper.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.7717/peerj-cs.466">doi:10.7717/peerj-cs.466</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/33981837">pmid:33981837</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC8080426/">pmcid:PMC8080426</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/pjv4fbdnzffzlebdvg5ll3ihey">fatcat:pjv4fbdnzffzlebdvg5ll3ihey</a> </span>
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A Discrete and Continuous Study of the Max-Chain-Formation Problem [article]

Jannik Castenow, Peter Kling, Till Knollmann, Friedhelm Meyer auf der Heide
<span title="2020-10-05">2020</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
For the continuous model, we give a strategy with an optimal runtime bound of Θ(n).  ...  must form a connected, straight line of maximal length connecting its two endpoints.  ...  We assume a very restricted robot model, namely robots having the capabilities of the OBLOT model with disoriented coordinate systems and limited visibility.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2010.02043v1">arXiv:2010.02043v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/r67nj2oygvdjnpfud2xunbavcu">fatcat:r67nj2oygvdjnpfud2xunbavcu</a> </span>
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Structure from Infrared Stereo Images

Kiana Hajebi, John S. Zelek
<span title="">2008</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/o4jogpoqo5hlfpyg2izplwcaim" style="color: black;">2008 Canadian Conference on Computer and Robot Vision</a> </i> &nbsp;
line in the second image m l′ , is given by: point m′ corresponding to m belongs to the line m l′ by definition, method of computing the fundamental matrix is the 8-point algorithm, presented originally  ...  It defines keypoints to be "points that have locally maximal self-matching precision under translational least squares template matching" [90] .  ...  Appendix A Delaunay triangulation The optimal triangulation of a set of points is one that maximizes the minimum angle in each triangle, producing a set of triangles that are as equilateral as possible  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/crv.2008.9">doi:10.1109/crv.2008.9</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/crv/HajebiZ08.html">dblp:conf/crv/HajebiZ08</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/x5b5y5sjjzgojidy7xmhuym2ei">fatcat:x5b5y5sjjzgojidy7xmhuym2ei</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200309104207/https://uwspace.uwaterloo.ca/bitstream/handle/10012/3395/KH_thesis.pdf;jsessionid=32B19C178A284FF82142879F982DC5F6?sequence=1" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/36/a4/36a46f108e910090a6a9c58205c0da2137ccb390.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/crv.2008.9"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> ieee.com </button> </a>

Outlook report on the future of European assembly automation

Mauro Onori, José Barata Oliveira
<span title="2010-02-23">2010</span> <i title="Emerald"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/a676bv5l4vemtivvslwb26j2ju" style="color: black;">Assembly Automation</a> </i> &nbsp;
for a limited set of specific requirements!  ...  Outsourcing cannot be considered an evil but an integral part of a successful company strategy: local assembly capacity may be the only means of penetrating global markets, so local production facilities  ...  Robustness: the equipment is dedicated, small, and includes an own processor. Some modules (robots) may even be reconfigurable.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1108/01445151011016028">doi:10.1108/01445151011016028</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/tnb7jrej6ffdxfbbosylwkizke">fatcat:tnb7jrej6ffdxfbbosylwkizke</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170815154914/http://www.diva-portal.org/smash/get/diva2:370147/FULLTEXT01.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/70/d9/70d9c66e85843811f94c8a6b0cf0b58767e75f73.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1108/01445151011016028"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>
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