default search action
Christoforos L. Raptopoulos
Person information
- affiliation: University of Patras, Computer Engineering and Informatics Department, Greece
- affiliation: Greece Computer Technology Institute and Press "Diophantus", Greece
- affiliation: University of Geneva, Computer Science Department, Switzerland
- affiliation: University of Paderborn, Heinz Nixdorf Institute, Germany
SPARQL queries
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
2020 – today
- 2024
- [c44]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Brief Announcement: On the Existence of δ-Temporal Cliques in Random Simple Temporal Graphs. SAND 2024: 27:1-27:5 - [i14]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
On the existence of δ-temporal cliques in random simple temporal graphs. CoRR abs/2404.07147 (2024) - 2023
- [j21]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
MAX CUT in Weighted Random Intersection Graphs and Discrepancy of Sparse Random Set Systems. Algorithmica 85(9): 2817-2842 (2023) - [c43]Paul G. Spirakis, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos:
Selected Combinatorial Problems Through the Prism of Random Intersection Graphs Models. CIAC 2023: 1-4 - [c42]Filippos Christodoulou, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
A Spectral Algorithm for Finding Maximum Cliques in Dense Random Intersection Graphs. SOFSEM 2023: 18-32 - 2022
- [j20]Themistoklis Melissourgos, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
An extension of the Moran process using type-specific connection graphs. J. Comput. Syst. Sci. 124: 77-96 (2022) - [c41]Pantelis Tzamalis, Andreas Bardoutsos, Dimitris Markantonatos, Christoforos L. Raptopoulos, Sotiris E. Nikoletseas, Xenophon Aggelides, Nikos Papadopoulos:
End-to-end Gesture Recognition Framework for the Identification of Allergic Rhinitis Symptoms. DCOSS 2022: 25-34 - [i13]Filippos Christodoulou, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
A spectral algorithm for finding maximum cliques in dense random intersection graphs. CoRR abs/2210.02121 (2022) - 2021
- [j19]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Maximum cliques in graphs with small intersection number and random intersection graphs. Comput. Sci. Rev. 39: 100353 (2021) - [j18]Eleni C. Akrida, George B. Mertzios, Paul G. Spirakis, Christoforos L. Raptopoulos:
The temporal explorer who returns to the base. J. Comput. Syst. Sci. 120: 179-193 (2021) - [c40]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
MAX CUT in Weighted Random Intersection Graphs and Discrepancy of Sparse Random Set Systems. ISAAC 2021: 28:1-28:16 - [i12]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Radiation-constrained algorithms for Wireless Energy Transfer in Ad hoc Networks. CoRR abs/2109.11777 (2021) - [i11]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Wireless charging for weighted energy balance in populations of mobile peers. CoRR abs/2109.11787 (2021) - [i10]Ioannis Katsidimas, Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
An algorithmic study in the vector model for Wireless Power Transfer maximization. CoRR abs/2109.11791 (2021) - 2020
- [j17]Eleni C. Akrida, George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis, Viktor Zamaraev:
How fast can we reach a target vertex in stochastic temporal graphs? J. Comput. Syst. Sci. 114: 65-83 (2020) - [c39]Xenophon Aggelides, Andreas Bardoutsos, Sotiris E. Nikoletseas, Nikos Papadopoulos, Christoforos L. Raptopoulos, Pantelis Tzamalis:
A Gesture Recognition approach to classifying Allergic Rhinitis gestures using Wrist-worn Devices : a multidisciplinary case study. DCOSS 2020: 1-10 - [i9]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
MAX CUT in Weighted Random Intersection Graphs and Discrepancy of Sparse Random Set Systems. CoRR abs/2009.01567 (2020)
2010 – 2019
- 2019
- [j16]Gabriel Filios, Adelina Madhja, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos:
On Electromagnetic Radiation Control for Wireless Power Transfer in Adhoc Communication Networks: Key Issues and Challenges. IEEE Access 7: 3143-3169 (2019) - [j15]Konstantinos Papalamprou, Christoforos L. Raptopoulos:
Balance in random signed intersection graphs. Australas. J Comb. 75: 50-65 (2019) - [c38]Ioannis Katsidimas, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos:
Power Efficient Algorithms for Wireless Charging under Phase Shift in the Vector Model. DCOSS 2019: 131-138 - [c37]Gabriel Filios, Adelina Madhja, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos:
Characteristic Models and Algorithmic Methods for Efficient Electromagnetic Radiation Control in Wirelessly Powered Adhoc Communication Networks. DCOSS 2019: 487-494 - [c36]Eleni C. Akrida, George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis, Viktor Zamaraev:
How Fast Can We Reach a Target Vertex in Stochastic Temporal Graphs? ICALP 2019: 131:1-131:14 - [p5]Adelina Madhja, Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos, Dimitrios Tsolovos:
Efficient Protocols for Peer-to-Peer Wireless Power Transfer and Energy-Aware Network Formation. Mission-Oriented Sensor Networks and Systems (2) 2019: 459-504 - [p4]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos, José D. P. Rolim:
Radiation Control Algorithms in Wireless Networks. Mission-Oriented Sensor Networks and Systems (2) 2019: 719-756 - [i8]Eleni C. Akrida, George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis, Viktor Zamaraev:
How fast can we reach a target vertex in stochastic temporal graphs? CoRR abs/1903.03636 (2019) - 2018
- [c35]Themistoklis Melissourgos, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Mutants and Residents with Different Connection Graphs in the Moran Process. LATIN 2018: 790-804 - [p3]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Efficient Approximation Algorithms in Random Intersection Graphs. Handbook of Approximation Algorithms and Metaheuristics (2) 2018 - 2017
- [j14]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Wireless charging for weighted energy balance in populations of mobile peers. Ad Hoc Networks 60: 1-10 (2017) - [j13]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Radiation-constrained algorithms for Wireless Energy Transfer in Ad hoc Networks. Comput. Networks 124: 1-10 (2017) - [j12]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Determining majority in networks with local interactions and very small local memory. Distributed Comput. 30(1): 1-16 (2017) - [j11]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
On the Chromatic Number of Non-Sparse Random Intersection Graphs. Theory Comput. Syst. 60(1): 112-127 (2017) - [j10]Ioannis Katsidimas, Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
An algorithmic study in the vector model for Wireless Power Transfer maximization. Pervasive Mob. Comput. 42: 108-123 (2017) - [c34]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Towards more Realistic Models for Wireless Power Transfer Algorithm Design. DCOSS 2017: 191-198 - [c33]Ioannis Katsidimas, Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Efficient Algorithms for Power Maximization in the Vector Model for Wireless Energy Transfer. ICDCN 2017: 30 - [c32]George Christodoulou, Martin Gairing, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
A 3-Player Protocol Preventing Persistence in Strategic Contention with Limited Feedback. SAGT 2017: 240-251 - [c31]Adelina Madhja, Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos, Dimitrios Tsolovos:
Peer-to-Peer Wireless Energy Transfer in Populations of Very Weak Mobile Nodes. WCNC Workshops 2017: 1-6 - [i7]George Christodoulou, Martin Gairing, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul (Pavlos) Spirakis:
A 3-player protocol preventing persistence in strategic contention with limited feedback. CoRR abs/1707.01439 (2017) - [i6]Themistoklis Melissourgos, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Mutants and Residents with Different Connection Graphs in the Moran Process. CoRR abs/1710.07365 (2017) - 2016
- [j9]Constantinos Marios Angelopoulos, Sotiris E. Nikoletseas, Dimitra Patroumpa, Christoforos L. Raptopoulos:
Efficient collection of sensor data via a new accelerated random walk. Concurr. Comput. Pract. Exp. 28(6): 1796-1811 (2016) - [c30]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Interactive Wireless Charging for Weighted Energy Balance. DCOSS 2016: 119-121 - [c29]George Christodoulou, Martin Gairing, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Strategic Contention Resolution with Limited Feedback. ESA 2016: 30:1-30:16 - [c28]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Interactive Wireless Charging for Energy Balance. ICDCS 2016: 262-270 - [c27]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Energy Balance with Peer-to-Peer Wireless Charging. MASS 2016: 101-108 - [c26]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Stably Computing Order Statistics with Arithmetic Population Protocols. MFCS 2016: 68:1-68:14 - [c25]Adelina Madhja, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Dimitrios Tsolovos:
Energy Aware Network Formation in Peer-to-Peer Wireless Power Transfer. MSWiM 2016: 43-50 - [p2]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Interactive Wireless Charging for Energy Balance. Wireless Power Transfer Algorithms, Technologies and Applications in Ad Hoc Communication Networks 2016: 585-603 - [p1]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Efficient Wireless Power Transfer Under Radiation Constraints in Wireless Distributed Systems. Wireless Power Transfer Algorithms, Technologies and Applications in Ad Hoc Communication Networks 2016: 727-745 - [r3]Christoforos L. Raptopoulos:
Colouring Non-sparse Random Intersection Graphs. Encyclopedia of Algorithms 2016: 338-342 - [r2]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul (Pavlos) Spirakis:
Independent Sets in Random Intersection Graphs. Encyclopedia of Algorithms 2016: 961-964 - [i5]George Christodoulou, Martin Gairing, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Strategic Contention Resolution with Limited Feedback. CoRR abs/1606.06580 (2016) - 2015
- [j8]Constantinos Marios Angelopoulos, Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos, Filippos Vasilakis:
Improving sensor network performance with wireless energy transfer. Int. J. Ad Hoc Ubiquitous Comput. 20(3): 159-171 (2015) - [j7]Sotiris E. Nikoletseas, Panagiota N. Panagopoulou, Christoforos L. Raptopoulos, Paul G. Spirakis:
On the structure of equilibria in basic network formation. Theor. Comput. Sci. 590: 96-105 (2015) - [c24]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos:
On Some Combinatorial Properties of Random Intersection Graphs. Algorithms, Probability, Networks, and Games 2015: 370-383 - [c23]Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos:
Low Radiation Efficient Wireless Energy Transfer in Wireless Distributed Systems. ICDCS 2015: 196-204 - 2014
- [c22]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Determining Majority in Networks with Local Interactions and Very Small Local Memory. ICALP (1) 2014: 871-882 - [i4]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Determining Majority in Networks with Local Interactions and very Small Local Memory. CoRR abs/1404.7671 (2014) - 2013
- [j6]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Natural models for evolution on networks. Theor. Comput. Sci. 477: 76-95 (2013) - [c21]Sotiris E. Nikoletseas, Panagiota N. Panagopoulou, Christoforos L. Raptopoulos, Paul G. Spirakis:
On the Structure of Equilibria in Basic Network Formation. FCT 2013: 259-270 - [c20]Paul G. Spirakis, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos:
A Guided Tour in Random Intersection Graphs. ICALP (2) 2013: 29-35 - [i3]Sotiris E. Nikoletseas, Panagiota N. Panagopoulou, Christoforos L. Raptopoulos, Paul G. Spirakis:
On the Structure of Equilibria in Basic Network Formation. CoRR abs/1306.1677 (2013) - 2012
- [j5]Azzedine Boukerche, Dionysios Efstathiou, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos:
Exploiting limited density information towards near-optimal energy balanced data propagation. Comput. Commun. 35(18): 2187-2200 (2012) - [c19]Vasiliki Liagkou, George Metakides, Apostolos Pyrgelis, Christoforos L. Raptopoulos, Paul G. Spirakis, Yannis C. Stamatiou:
Privacy Preserving Course Evaluations in Greek Higher Education Institutes: An e-Participation Case Study with the Empowerment of Attribute Based Credentials. APF 2012: 140-156 - [c18]Sotiris E. Nikoletseas, Dimitra Patroumpa, Viktor K. Prasanna, Christoforos L. Raptopoulos, José D. P. Rolim:
Radiation Awareness in Three-Dimensional Wireless Sensor Networks. DCOSS 2012: 176-185 - [c17]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Maximum Cliques in Graphs with Small Intersection Number and Random Intersection Graphs. MFCS 2012: 728-739 - [c16]Constantinos Marios Angelopoulos, Sotiris E. Nikoletseas, Dimitra Patroumpa, Christoforos L. Raptopoulos:
Radiation-aware data propagation in wireless sensor networks. MOBIWAC 2012: 11-18 - [c15]Constantinos Marios Angelopoulos, Sotiris E. Nikoletseas, Theofanis P. Raptis, Christoforos L. Raptopoulos, Filippos Vasilakis:
Efficient energy management in wireless rechargeable sensor networks. MSWiM 2012: 309-316 - [i2]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Maximum Cliques in Graphs with Small Intersection Number and Random Intersection Graphs. CoRR abs/1204.4054 (2012) - 2011
- [j4]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
On the independence number and Hamiltonicity of uniform random intersection graphs. Theor. Comput. Sci. 412(48): 6750-6760 (2011) - [c14]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Selected Combinatorial Properties of Random Intersection Graphs. Algebraic Foundations in Computer Science 2011: 347-362 - [c13]Constantinos Marios Angelopoulos, Sotiris E. Nikoletseas, Dimitra Patroumpa, Christoforos L. Raptopoulos:
Work-in-progress: A new random walk for data collection in sensor networks. DCOSS 2011: 1-3 - [c12]Sotiris E. Nikoletseas, Dimitra Patroumpa, Christoforos L. Raptopoulos, José D. P. Rolim:
Work-in-progress: Efficient heuristics for low radiation paths in wireless sensor networks. DCOSS 2011: 1-3 - [c11]Constantinos Marios Angelopoulos, Sotiris E. Nikoletseas, Dimitra Patroumpa, Christoforos L. Raptopoulos:
A new random walk for efficient data collection in sensor networks. MOBIWAC 2011: 53-60 - [c10]Azzedine Boukerche, Dionysios Efstathiou, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos:
Close-to-optimal energy balanced data propagation via limited, local network density information. MSWiM 2011: 85-92 - [c9]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Natural Models for Evolution on Networks. WINE 2011: 290-301 - [c8]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Communication and security in random intersection graphs models. WOWMOM 2011: 1-6 - [i1]George B. Mertzios, Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Natural Models for Evolution on Networks. CoRR abs/1102.3426 (2011)
2000 – 2009
- 2009
- [j3]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
The survival of the weakest in networks. Comput. Math. Organ. Theory 15(2): 127-146 (2009) - [j2]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Expander properties and the cover time of random intersection graphs. Theor. Comput. Sci. 410(50): 5261-5272 (2009) - [c7]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Combinatorial properties for efficient communication in distributed networks with local interactions. IPDPS 2009: 1-11 - [c6]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Colouring Non-sparse Random Intersection Graphs. MFCS 2009: 600-611 - 2008
- [b1]Christoforos L. Raptopoulos:
Σχεδιασμός και ανάλυση αλγορίθμων για τυχαία και εξελικτικά δίκτυα. University of Patras, Greece, 2008 - [j1]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Large independent sets in general random intersection graphs. Theor. Comput. Sci. 406(3): 215-224 (2008) - [r1]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Independent Sets in Random Intersection Graphs. Encyclopedia of Algorithms 2008 - 2007
- [c5]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
The Second Eigenvalue of Random Walks On Symmetric Random Intersection Graphs. CAI 2007: 236-246 - [c4]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
Expander Properties and the Cover Time of Random Intersection Graphs. MFCS 2007: 44-55 - 2006
- [c3]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
The Survival of the Weakest in Networks. WAOA 2006: 316-329 - 2005
- [c2]Christoforos L. Raptopoulos, Paul G. Spirakis:
Simple and Efficient Greedy Algorithms for Hamilton Cycles in Random Intersection Graphs. ISAAC 2005: 493-504 - 2004
- [c1]Sotiris E. Nikoletseas, Christoforos L. Raptopoulos, Paul G. Spirakis:
The Existence and Efficient Construction of Large Independent Sets in General Random Intersection Graphs. ICALP 2004: 1029-1040
Coauthor Index
aka: Paul (Pavlos) Spirakis
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from , , and to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from .
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-10-07 21:19 CEST by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint