Approximation Algorithms for Problems on Networks and Streams of Data

228 Pages·2012·1.18 MB·English

UNIVERSITY OF CALIFORNIA
Santa Barbara
Approximation Algorithms for Problems on
Networks and Streams of Data
A Dissertation submitted in partial satisfaction
of the requirements for the degree of
Doctor of Philosophy
in
Computer Science
by
Luca Foschini
CommitteeinCharge:
ProfessorS.Suri,Chair
ProfessorJ.Gilbert
ProfessorT.Gonzalez
September2012
TheDissertationof
LucaFoschiniisapproved:
ProfessorJ.Gilbert
ProfessorT.Gonzalez
ProfessorS.Suri,CommitteeChairperson
September2012
ApproximationAlgorithmsforProblemsonNetworksandStreamsofData
Copyright(cid:13)c 2012
by
LucaFoschini
iii
Tomybrother,andtoallthosewhocan’twaitto
properlydecoratethisabundanceofwhitespace.
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Acknowledgements
First and foremost, I would like to thank my advisor, Professor Subhash Suri, for his
guidance during these years. I am very grateful for everything I have learned from
him. Iwouldalsoliketothankmycommitteewhosefeedbackhasbeencrucialforthe
developmentofthisdissertation.
I greatly appreciated the mentorship of those who hosted me during my summer
researchinternships,includingVahabMirrokniandEyalCarmiatGoogle,andProfessor
WidmayeratETHZurich.
Finally,Iwouldlike toacknowledgemyformerandcurrentlabmatesPegah, Kyle,
Hakan,andSorabhfortheirassistanceandsupport. Otherswhohaveprovidedsignificant
input and guidance along the way include Prof. Giovanni and Sebastiano Vigna, Dr.
AntonioGulliandDr. AntonioSavona. Withoutanyofthem, thisdissertationwouldbe
incomplete.
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Curriculum Vitæ
Luca Foschini
Education
2012(Expected) PhDinComputerScience,UniversityofCalifornia,
SantaBarbara.
2012 MasterofScienceinComputerScience,UniversityofCalifornia,
SantaBarbara.
2007 Master of Engineering in Computer Engineering, University of Pisa,
Pisa,Italy. (CumLaude)
2004 BachelorofEngineeringinComputerEngineering,UniversityofPisa,
Pisa,Italy. (CumLaude)
Experience
2012 Co-founderandChiefScientistatTheActivityExchangeInc. (AchieveMint)
2011 ResearchIntern,GoogleResearchNYC
2010 VisitingScholaratETHZurich,Zurich.
2005–2009 SoftwareEngineeratAsk.com
2004 ResearchInternatCERN,Geneva.
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SelectedPublications
A.E.Feldmann,L.FoschiniBalancedPartitionsofTreesandAppli-
cations. SubmittedtoAlgorithmica.
L. Foschini, J. Hershberger, S. Suri On the Complexity of Time-
DependentShortestPaths. SubmittedtoAlgorithmica.
A. E. Feldmann and L. Foschini Balanced Partitions of Trees and
Applications, 29th Symposium on Theoretical Aspects of Computer
Science(STACS12)
H.Yıldız, L.Foschini, J.Hershberger, S.SuriMaintainingtheVol-
umeoftheUnionofBoxesandRelatedProblems,19thAnnualEuro-
peanSymposiumonAlgorithms(ESA11)
L. Cavedon, L. Foschini, G. Vigna Getting the Face Behind the
Squares: ReconstructingPixelizedVideoStreams,5thUSENIXWork-
shoponOffensiveTechnologies(WOOT11)
S. Gauglitz, L. Foschini, M. Turk, T. Ho¨llerer Efficiently Selecting
SpatiallyDistributedKeypointsforVisualTracking,IEEEInternational
ConferenceonImageProcessing(ICIP11)
F. Uyeda, L. Foschini, S. Suri, G. Varghese Efficiently Measuring
BandwidthatAllTimeScales,8thUSENIXSymposiumonNetworked
SystemsDesignandImplementation(NSDI11)
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L. Foschini, J. Hershberger, S. Suri On the Complexity of Time-
DependentShortestPaths,22ndAnnualACM-SIAMSymposiumon
DiscreteAlgorithms(SODA11)
C. Buragohain, L. Foschini, S. Suri Untangling the Braid: Finding
OutliersinaSetofStreams,SODAWorkshoponAlgorithmEngineer-
ingandExperiments(ALENEX10)
S. Gandhi, L. Foschini, S. Suri Space-efficient Online Approxima-
tion of Time Series Data: Streams, Amnesia, and Out-of-order, 26th
InternationalConferenceonDataEngineering(ICDE10)
L.Foschini,R.Grossi,A.Gupta,J.S.VitterWhenindexingequals
compression: Experimentswithcompressingsuffixarraysandapplica-
tions,ACMTransactionsonAlgorithms2(4): 611-639(2006)
L.Foschini,RGrossi,A.Gupta,J.S.VitterFastCompressionwith
astaticmodelinHigh-OrderEntropy,2004IEEEDataCompression
Conference(DCC04)
M.Cococcioni,L.Foschini,B.Lazzerini,F.MarcelloniComplexity
ReductionofMamdaniFuzzySystemsthroughMulti-valuedLogicMin-
imization,2008IEEEInternationalConferenceonSystems,Manand
Cybernetics(SMC08)
L.Valcarenghi,L.Foschini,F.Paolucci,F.Cugini,andP.Castoldi
TopologyDiscoveryServicesforMonitoringtheGlobalGridCommu-
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nicationsMagazine,OpticalControlPlaneforGridNetworks: Oppor-
tunities,ChallengesandtheVision,March2006.
L. Foschini, A. V. Thapliyal, L. Cavallaro, C. Kruegel, G. Vigna
A Parallel Architecture for Stateful, High-Speed Intrusion Detection,
FourthInternationalConferenceonInformationSystemsSecurity(ICISS
2008)
A. Gulli, S. Cataudella, L. Foschini TC-SocialRank: Ranking the
SocialWeb,The6thWorkshoponAlgorithmsandModelsfortheWeb
Graph(WAW09)
L.Valcarenghi,F.Paolucci,L.Foschini,F.Cugini,P.CastoldiCen-
tralizedandDistributedGridTopologyDiscoveryServiceImplementa-
tionsAcceptedasaPosteratHotInterconnects13,(IEEESymposium
onHighPerformanceInterconnects).
Patents
A.Savona,A.Gulli,L.Foschini,Systemsandmethodsforselecting
and organizing information using temporal clustering United States
Patent: 20070260586
A. Savona, A. Gulli, L. Foschini, G. Deretta Systems and methods
forclusteringinformationUnitedStatesPatent: 20090070346
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Awards
UCSBDean’sfellowship. UCSB2011-2012
Sant’Anna Scholarship. Full scholarship (room and board) for the
fulldurationofundergraduateandgraduatestudies(2001-2007)atthe
Sant’Anna School of Advanced Studies, Pisa, Italy as a winner of a
nation-widecompetition.
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