Giuseppe Rodriguez's List of Links

• Local links
  • WWW servers
  • ftp sites
• Mathematics
  • Organizations
  • Interesting sites
  • Documents
  • Software
  • Journals and Digests
    • Databases
    • Free publications
    • Academic Press Journals
    • ACM Portal
    • AMS Journals
    • Birkhauser Journals
    • Elsevier Journals
    • Kluwer Journals
    • SIAM Journals
    • Springer Journals
  • Conferences
• Parallel Computing
• Computer Vision
• WWW sites in Italy
• Universities in:
  • Europe
  • America
  • Asia
  • Australia
• Research centers in:
  • Europe
  • America
• Journals, books and bibliographies
• Dictionaries
• Public domain software
  • Linux
    • Debian GNU/Linux
    • Linux Documentation Project
    • Linux on laptops
    • Linux and DVD's
    • Linux and Bluetooth
    • Linux and Sound
  • 3D Linux
  • Security
  • Graphics
  • X
  • Solaris
  • TeX
  • Palm OS
• Software producers
• Hardware info
• Hardware producers
• Ftp sites
• Html documentation
• Searching the Web
• Private links

• Local links
  • WWW servers
    • Dipartimento di Matematica
    • Università degli Studi di Cagliari
    • Università degli Studi di Cagliari - Amministrazione Centrale
    • Università degli Studi di Cagliari - Ricerca Scientifica
    • Facoltà di Ingegneria
    • Istituto di Clinica e Biologia dell'età evolutiva
    • CRS4
    • Pictures of Sardinia
  • ftp sites
    • tex.unica.it
    • vaxca3.unica.it

• Mathematics
  • Organizations
    • MURST sito individuale DOCENTE
    • UNICA IRIS - Institutional Research Information System
    • MURST - in collaborazione col CINECA
    • MURST home page
    • MURST: Basi di Dati in Linea
    • Abilitazione Scientifica Nazionale
    • reclutamento.murst.it (concorsi)
    • Coordinamento dei Presidenti di Consiglio di Corso di Laurea in Matematica
    • La Riforma 3+2
    • CUN
    • CNU
    • Unione Matematica Italiana (UMI)
    • GNCS - Gruppo Nazionale per il Calcolo Scientifico
    • Conferenza dei Rettori delle Università Italiane
    • REGOLAMENTO CORSI DOTTORATO DI RICERCA (Univ. di Cagliari)
    • American Mathematical Society
    • European Mathematical Society
    • UNIEUR - Università Italiane in Europa
    • CONSIP (acquisti in rete per la pubblica amministrazione)
  • Interesting sites
    • Progetto Polymath
    • Laboratorio di Macchine Matematiche
    • Mathematics Information Servers (Penn State)
    • The World-Wide Web Virtual Library: Mathematics (Florida State)
    • The History of Mathematics archive
    • Earliest Known Uses of Some of the Words of Mathematics
    • Earliest Uses of Various Mathematical Symbols
    • Picture Gallery
    • SIAM's WWW Undergraduate Page
    • Linpack Benchmark -- Java Version
    • International Linear Algebra Society (ILAS)
    • Faq: Numerical Analysis & associated fields resource guide
    • The Geometry Center
    • Indmath Info Server
    • Inverse Problems Home Page (Univ. of Alabama)
    • CSC Mathematical Topics
    • Calculus graphics -- Douglas N. Arnold
    • Interval Computations Home Page
    • NUHAG - Vienna
    • Home page of Jelena Kovacevic (Wavelets)
    • Mathematical Programming Society
    • A wavelet function generator tclet
    • Summus Wavelet Technology
  • Documents
    • Tech Reports by G.W. Stewart
    • Math-Net Links to the Mathematical World
    • Fractals with Matlab (by Alberto Strumia)
    • Antreas P. Hatzipolakis' Home Page (Pi mnemonics and more)
    • What is Numerical Analysis?
    • Linear Programming FAQ
    • Nonlinear Programming FAQ
    • Eigenmodes of isospectral drums
    • Solving Least Squares Problems (Lawson & Hanson)
    • Mathematical Programming Glossary
    • Optimization Frequently Asked Questions
    • Surveys on numerical integration
    • Matrix Inequalities in Science and Engineering
    • A.N. Krylov: a short biography
    • Optimization Online (eprints about optimization and related topics)
    • Speech Processing Research Team
  • Software
    • GSL - GNU Scientific Library
    • Numerical Analysis Software from IMM (Hansen)
    • RestoreTools (Nagy)
    • MATLAB Tensor Toolbox
    • G95: an open source Fortran 95 compiler
    • The Trilinos Project
    • The Matrix Computation Toolbox
    • Netlib at The Univ. of Tennessee and ORNL
    • Netlib mirror (Italy)
    • Netlib mirror (Germany)
    • NetSolve/GridSolve
    • SAL (Scientific Applications on Linux)
    • FREELY AVAILABLE SOFTWARE FOR LINEAR ALGEBRA ON THE WEB
    • The Object-Oriented Numerics Page
    • Matrix Market
    • OpenFEM: An Open-Source Finite Element Toolbox
    • EigTool: EigTool a graphical tool for nonsymmetric eigenproblems
    • NFFT: a C library for Nonequispaced Discrete Fourier Transform
    • Free image reconstruction Matlab software toolbox (non-uniform FFT)
    • Wim Sweldens' Wavelet Cascade Applet
    • The doubledouble homepage (C++ library)
    • WaveLab
    • XWPL, the X Wavelet Packet Laboratory
    • DAEPACK, a software library for general numerical calculations
    • The Diffpack Home Page
    • Multigrid Algorithm Library
    • The PETSc Package for Scientific Computing
    • IML++ (Iterative Methods Library in C++)
    • Sparse Matrix Libraries in C++
    • FFTW (C library)
    • djbfft (C library)
    • Web-aware sparse matrix collection (Tim Davis' home page)
    • University of Florida Sparse Matrix Collection
    • The NIST Sparse BLAS
    • WSMP: Watson Sparse Matrix Package
    • WavBox Home Page
    • The Pixel Page (Ken Castleman's Digital Image Processing Page)
    • Subroutine On Demand-service: Sparse BLAS 2 & 3
    • A Compilation of Automatic Differentiation Tools
    • Decision Tree for Optimization Software
    • QMG: mesh generation and related software
    • The Object-Oriented Numerics Page
    • Parallel Iterative Methods (PIM)
    • METIS: Unstructured Graph Partitioning and Sparse Matrix Ordering System
    • Test Set for IVP Solvers
    • ATLAST Project
    • Problem Solving Environments
    • The Blitz++ project
    • Numerical Recipes (with books on-line)
    • Aztec: parallel iterative solver library for sparse linear systems
    • LAPACK -- Linear Algebra PACKage
    • LAPACK Internet Interface and Search Engine
    • LAPACK Users' Guide Release 2.0
    • PLAPACK: Parallel Linear Algebra Package
    • Multiple Precision Computation in Fortran
    • MatView: Scalable Sparse Matrix Viewer
    • Matlab GUI for pseudospectra
    • HSL (a collection of ISO Fortran codes for large scale scientific computation)
    • OFELI (Object Finite Element Library)
    • Multiprecision Software
    • OPT++ - An Object-Oriented Nonlinear Optimization Library
    • Matran: a matrix wrapper for Fortran 95
  • Journals and Digests
    • Databases
      • Google Scholar
      • MathSciNet Home Page (mirrors: Bielefeld, Bonn).
      • ISI
      • Scopus
      • SNIP & SJR
      • Zentralblatt für Mathematik
      • Scirus
    • Mathematics Subject Classification (MSC/AMS/MOS)
    • Mathematics Subject Classification (MSC/AMS/MOS)
    • Catalogo Nazionale Periodici Scienze Matematiche (SINM-ISRDS)
    • Catalogo Italiano dei Periodici (ACNP)
    • ISI Web (Impact factors e altro)
    • Cornelis' list
    • NA-NET Home Page
    • AT-NET's Homepage
    • The Wavelet Digest
    • NA-TEACH Mailing List
    • Gabor Digest
    • ETNA Home Page
    • IPNet Home Page
    • CAC-NET: Continuous Algorithms and Complexity
    • Electronic journal of differential equations
    • The Electronic Service of Linear Algebra and Its Applications (click here to read articles)
    • BIT
    • Journal of Approximation Theory
    • IMA Journal of Numerical Analysis
    • Inverse Problems
    • Free publications
      • Google Scholar
      • JSTOR - The Scholarly Journal Archive
      • Cilea Digital Library
      • ACM Portal
      • IEEE Xplore
      • Gottingen State and University Library (click on E-Journals to get old issues of some journals
    • Academic Press Journals
      • Journal of Mathematical Analysis and Applications
    • ACM Portal
      • ACM Transactions on Mathematical Software
      • ACM Transactions on Mathematical Software (another one)
    • AMS Journals
      • Mathematics of Computation
      • Transactions of the AMS
    • Birkhauser Journals
      • Integral Equations of Operator Theory
    • Elsevier Journals
      • Science Direct (1995-2002)
      • Electronic Access
      • Journal of Computational and Applied Mathematics
      • The Electronic Service of Linear Algebra and Its Applications (click here to read articles)
    • Kluwer Journals
      • Advances in Computational Mathematics (**)
      • Approximation Theory and its Applications
      • Journal of Optimization Theory and Applications
      • Numerical Algorithms (*)
    • SIAM Journals
      • SIAM Journal on Applied Mathematics (*)
      • SIAM journal on Computing (*)
      • SIAM Journal on Control and Optimization (*)
      • SIAM Journal on Mathematical Analysis (*)
      • SIAM Journal on Matrix Analysis and Applications (**)
      • SIAM Journal on Numerical Analysis (*)
      • SIAM Journal on Scientific Computing (*)
    • Springer Journals
      • Applied Mathematics and Optimization
      • Calcolo
      • Mathematical Programming
      • Numerische Mathematik
  • Conferences
    • Cortona 2004
    • ICCAM 2004
    • INTEQ02
    • Convegno Nazionale - Analisi Numerica: stato dell'arte
    • UMI - AMS Pisa 2002
    • Simai 2002
    • GNCS 2002
    • Algebra Lineare Numerica e Applicazioni, Pisa, 2002
    • Householder Symposium XV, 2002
    • International Conference on Inverse Problems, Hong Kong, 2002
    • NUMERICAL ALGORITHMS (Marrakesh, Morocco)
    • Applied Inverse Problems 2001
    • AIRO 2001
    • Metodologie numeriche per il calcolo scientifico
    • GNIM 2000
    • IWOTA - Portugal 2000
    • IWOTA - Bordeaux 2000
    • Cortona 2000
    • Simai 2000
    • Netlib Conferences Database
    • 17th Biennial Conference on Numerical Analysis
    • 2nd Workshop on "Large-Scale Scientific Computations" (Sozopol 1999)
    • Conference on Theory and Applications of Multiwavelets
    • 4th International Conference on Functional Analysis and Approximation Theory
    • Linear Algebra and Its Applications Conference
    • Australian National University - Wavelets year and workshop
    • LEAST SQUARES METHODS: Theory, Algorithms and Applications
    • Information on the Householder Meeting
    • Inverse Problems in Engineering

• Parallel Computing
  • Introduction to Parallel Computing (LNL)
  • MAGMA: Matrix Algebra on GPU and Multicore Architectures

• Computer Vision
  • Matlab Computer Vision System Toolbox
  • Machine Vision Toolbox
  • Databases or Datasets for Computer Vision Applications and Testing
  • Datasets at CVLAB-EPFL
  • Datasets at Middlebury
  • Datasets at TUM

• WWW sites in Italy
  • The Italian NIR resources
  • CINECA
  • Italian Resources
  • Italian WWW Directory
  • WebIt: una mailing list italiana per il World-Wide Web
  • Italian Directory of HTTPD Servers (gopher access)
  • Italian OPAC Directory
  • CUN
  • Dipartimento di Elettronica e Informatica di Padova
  • CINECA World Wide Web Home Page
  • Sezione INFN di Padova - Info System
  • ILS - Univ. di Pavia
  • Osservatorio Astrofisico di Catania (including SkyDraw - Interactive images of the sky)
  • MC Link
  • Agorà
  • Video on Line
  • Dataflash
  • Ministero delle Finanze Home Page

• Universities in:
  • Europe
    • University of Linköping, Dept. of Mathematics
    • Toplevel WWW Index of cs.kuleuven.ac.be
    • German Scientific Computing Home Page
    • Edinburgh University - Department of Mathematics & Statistics
  • America
    • Caltech home page
    • Welcome to the University of Washington
    • Technical reports from the School of OR and IE at Cornell University
    • Home Page for CU Computational Science and Engineering Resources
    • MSU Department of Mathematics Home Page
    • Math Dept Univ Colorado at Denver
    • University of Manitoba - Computer Science
    • Penn State Department of Mathematics
    • Florida State University Math Department
    • Texas A&M University
    • University of Minnesota
  • Asia
    • Technion Mathematics Department (Haifa, Israel)
  • Australia
    • The Annotated Australian Address Book
    • Australian National University - School of Mathematical Sciences

• Research centers in:
  • Europe
    • World-Wide Web Home - CERN
    • CSC Finland
  • America
    • ATT Bell Laboratories Computing Research home page - Netlib
    • Mathematics and Computer Science Division, Argonne National Laboratory, Illinois
    • National Center for Supercomputing Applications (NCSA)
    • IBM Almaden Research Center WWW Server
    • JPL, New Products Development Group

• Journals, books and bibliographies
  • Mathematics Subject Classification (MSC/AMS/MOS)
  • Gazzetta Ufficiale: consultazione gratuita on-line
  • OPAC SBN Regione Sardegna
  • The Collection of Computer Science Bibliographies
  • Biblioteca Centrale dell'Area Biomedica - Riviste full-text
  • Catalogo On-line delle biblioteche della Facoltà di Scienze (telnet)
  • CRS4 Library home document
  • Italian OPAC Directory
  • Archivi bibliografici CASPUR (Roma)
  • CIB -- Universita` di Bologna
  • Edizioni Lint S.r.l. (vari cataloghi consultabili)
  • netlib/bibnet/index
  • The MIT Press
  • Wavelet Resources
  • A Collection of Computer Science Bibliographies available on the Internet
  • SIAM WWW server
  • SIAM Gopher server
  • IEEE Gopher server
  • Elsevier Science
  • Baltzer Science Publishers
  • The Institute of Physics
  • Numerical methods
  • Vinny's Linux PC - learc c/c++
  • Books on Java, C++, etc. (Bruce Eckel's site)
  • Thinking in C++ (Bruce Eckel)
  • Fortran 90 for the Fortran 77 programmer
  • Michael Metcalf's Fortran 90 CNL Articles
  • Scientific Supercomputing: Architecture and Use of Shared and Distributed Memory Parallel Computers
  • C++ Virtual Library, Literate Programming Library, GNU
  • The International Obfuscated C Code Contest
  • Manuali in rete (Università di Trento)
  • Manuali, guide e tutorials in italiano
  • Motore di ricerca per tutorial e articoli in lingua italiana
  • Manuale Matlab (e altri manuali)
  • Free PDF books (Planet PDF)

• Dictionaries
  • TheFreeDictionary.com (ottima enciclopedia)
  • yourDictionary.com
  • 1913 Webster's Revised Unabridged Dictionary
  • Wordsmyth: Dictionary - Thesaurus
  • Il dizionario Garzanti online
  • Garzanti linguistica (vocabolario italiano e inglese)
  • Common Errors in English
  • Traduzioni (Altavista)
  • Oxford English Dictionary
  • WWWebster Dictionary (Merriam-Webster)
• Public domain software
  • Linux
    • Advances Linux Sound Architecture (ALSA)
    • Linux USB Project
    • Debian GNU/Linux
      • Debian GNU/Linux
      • Debian Backports
      • Debian Users Worldmap
      • Debian GNU/Linux CD Images
      • Testing Debian GNU/Linux CD Images
      • debian-unofficial@ftp.fsn.hu (and MIRRORS)
    • LDP - Linux Documentation Project
    • Linux HeadQuarters (info on kernel, LDP, etc.)
    • sourceforge
    • Freshmeat (Linux news)
    • GNU documentation
    • DemoLinux (Linux without installation!)
    • PLUTO Home Page
    • Italian Linux Society
    • AppuntiLinux: guida in italiano (sito originale)
    • Caldera Homepage
    • S.u.S.E. Linux 4.4.1
    • Linux Security WWW
    • List of Linux INcompatible Hardware
    • Linux NOW!
    • Linux Journal
    • Linux Gazette
    • Linux Gazette - Edizione Italiana
    • The DOSEMU home page
    • Bliss, a Linux "virus"
    • Linux Links!
    • WipeOut (an integrated development environment for C++ and Java)
    • OS Boot Select - yet another boot manager
    • Utilizing the US Robotics Pilot with Linux
    • Eric Steven Raymond's Home Page (fetchmail & open-source software)
    • BLAS and FFT for Pentium Pro/II
    • High-Performance BLAS by Kazushige Goto
    • LGDC - Linux Game Development Center
    • IBM developer works: Linux
    • Linux at IBM
    • SAL (Scientific Applications on Linux)
    • PPA for the masses (Deskjet win-printers support)
    • Linux Documentation Project
      • www1.paradigm-sa.com
      • sunsite.nijenrode.nl
      • Italian Linux Documentation Project (ILDP)
      • www.programatic.it/~tensi/LDP
      • mcweb.unica.it/pub/linux/docs
      • ILDP
      • Searchable index of the LDP (ERAU Linux Site)
    • Linux on laptops
      • Linux on Laptops
      • UniX with Mobile Computers
      • Debian GNU/Linux on Acer Aspire 1300 series
      • Linux on the Acer Aspire 1300XC Notebook
    • Linux and DVD's
      • The Linux Video Project
      • OpenDVD.org
      • DVD Resources for Open Source Development
    • Linux and Bluetooth
      • Bluetooth and Linux
      • SonyEricsson z600 and Linux
      • GNOME Bluetooth Subsystem
    • Linux and Sound
      • Sound & MIDI Software For Linux
      • The Linux MIDI HOWTO
  • X
    • X Consortium World Wide Web Server
    • The XFree86 Project, Inc WWW server
    • Debian Etch + AIGLX + Beryl per ATI e NVIDIA
    • SiS VGA chipsets and Linux
    • Metro Link (commercial X-server)
    • Xi Graphics - Accelerated-X (commercial X-server)
    • The Official FVWM Homepage
    • Gnome Project ( UK mirror)
    • The Official fvwm2gnome Homepage)
    • The Former fvwm2gnome Homepage)
    • Enlightenment (window manager)
    • The Official Enlightment Themes Page
    • GTK.themes.org
    • The K desktop environment (KDE)
    • The foo AfterStep HomePage
    • X-Win32, an X server for Windows
    • Free X Server for Windows and Macintosh
    • Virtual Network Computing (VNC) - X server/client for unix & win
    • IMWheel - wheel-mouse interface
  • 3D Linux
    • Linux Voodoo
    • Linux 3D (glide)
    • Direct Rendering (DRI) Open Source Project
    • Another Linux 3D (netpedia)
    • The Mesa 3D Graphics Library
    • The Mesa Voodoo driver home page
    • 3Dfx RPM Release
    • Installation of a Voodoo board
  • Security
    • CERT* Coordination Center
    • Fight Spam on the Internet! (mirror)
    • Using check_* in sendmail 8.8 (anti spam)
    • OpenSSH (with info on win&mac clients
    • SSH (Secure Shell) Remote Login Program
    • Fresh Free FiSSH! (Free Secure Shell Client for Windows 95/NT 4.0)
    • Rsync, a file transfer program for Unix systems
    • The International PGP Home Page
    • BAL's PGP Public Key Server (search)
    • European PGP Key Server
    • PGP (Pretty Good Privacy)
    • GNUPG - The GNU Privacy Guard
    • Linux Security WWW
    • Replay Associates: Your Data Security and Network Security Partner
  • Graphics
    • gnuplot beta web page!
    • The Gimp Homepage
    • The Gimp
    • Gimp: tips and tricks
    • The XAnim Home Page
    • AA-project homepage (aciii graphic library)
    • Allegro: a game programming library
    • XaoS: real-time fractal zoomer
    • POV Ray: Persistence of Vision Ray Tracer
    • Andy Thaller's Homepage (nice povray images and xmorph animations)
  • Solaris
    • Solaris 2.5 Freeware For SPARC
    • Solaris FAQ
  • TeX
    • TUGboat
    • Dante
    • CTAN (mirror)
    • LaTeX2HTML home
    • LaTeX2HTML Mailing List Archive
    • Jasper Home Page - CTAN access - TeX
    • SNS help: manuali in linea di C, F77, (La)TeX, Tcl/Tk, etc. etc.
    • MiKTeX - Free TeX for Windows
    • A Simplified Introduction to LaTeX
  • Palm OS
    • PalmOpenSource.com
  • zmailer: a replacement for sendmail
  • qmail: a replacement for sendmail
  • VMailer: a replacement for sendmail
  • Berkeley DB (Dbm/Ndbm substitute)
  • GNU Fortran informations
  • European X User Group (EXUG)
  • National HPCC Software Exchange (NHSE)
  • The Language List
  • Free Compilers and Interpreters
  • Free Database List
  • Jasper Home Page - CTAN access - TeX
  • Netlib at The Univ. of Tennessee and ORNL
  • Wavelets at S. Carolina
  • Sunsite Classic - University of North Carolina at Chapel Hill
  • Sunsite Europe - Department of Computing, Imperial College, London.
  • Crynwr Software
  • Crynwr Software Story
  • Linux Documentation Project Home Page
  • Linux Hardware FAQ
  • Common Problems with Linux Systems
  • WWW Linux Site
  • NCSA Software Tools
  • DJ's Web Server (Djgpp)
  • DJGPP's Web Ring Home Page
  • RHIDE, an IDE for DJGPP
  • Djgpp Home Page - DJGPP
  • The GNU-WIN32 Project Page
  • Metamail anonymous ftp
  • Jeffrey's Perl Stuff
  • Qualcomm - Eudora
  • The Fortran Market
  • Fortran library (fortran links)

• Software producers
  • MathWorks Home Page
  • MathTools (Matlab compiler)
  • Teoresi Home Page
  • The Numerical Algorithms Group Ltd
  • AVS (Advanced Visual Systems)
  • Adobe Systems Incorporated
  • MathSoft Home Page
  • Wolfram Research (Mathematica)
  • Microsoft Corporation World-Wide-Web Server
  • Crack dot Com, Inc.

• Hardware info
  • Sysopt.com: system optimization, PC hardware and performance.
  • Hwupgrade: hardware upgrade
  • Overclocking extreme
  • Tom's Hardware Guide

• Hardware producers
  • Sun Microsystems
  • Sun Microsystems Laboratories
  • SunSolve Online
  • Sun Italia
  • Cray Research Home Page
  • Silicon Graphics' Silicon Surf
  • Silicon Graphics' Silicon Surf Europe
  • Digital Equipment Corporation, Home Page
  • Silicon Graphics (anonymous ftp)
  • Hayes Microcomputer Products, Inc. (modems)

• Ftp sites
  • Swiss SunSITE
  • Tucows
  • Linuxberg (Linux Tucows)
  • ftp.debian.org
    • ftp.de.debian.org
    • ftp.fr.debian.org
    • ftp.it.debian.org
  • Search page for FTP
  • RTFM!
  • ftp.cnr.it (CNUCE/CNR, Pisa)
  • The Coast to Coast Software Respository

• Html documentation
  • The World Wide Web Consortium
  • Viewable With Any Browser: Campaign for a Non-Browser Specific WWW
  • A Kinder, Gentler HTML Validator
  • HyperText Markup Language Toolbox
  • HTML Reference Manual
  • NCSA Mosaic Web Index
  • NCSA httpd Overview
  • The Common Gateway Interface
  • Mosaic User Authentication Tutorial
  • Mosaic User Authentication Tutorial
  • Lynx Enhanced Pages
  • asWedit HTML editor
  • Sun Tcl Plugin
  • Demos For The Tcl Plugin
  • The XAnim Home Page
  • Guida Web in Italiano
  • WWW faq
  • The Netscape Communications Universe
  • Enterprise Integration Technologies (EIT) Software
  • HaL Software Systems HTML Services and Products
  • Transparent Background Images
  • wwwstat -- Distribution Information
  • Dave Raggett's Home Page (Preliminary draft for HTML 3.0)
  • A Standard for Robot Exclusion
  • Two Servers, One Interface
  • PNG (Portable Network Graphics) Home Page
  • Kodak: Photo CD on the Web

• Searching the Web
  • Yahoo
  • LYCOS Search Form
  • AltaVista
  • Northern Light Search
  • PersonalSeek
  • The Informant
  • ALIWEB
  • Jumpstation
  • Nomad
  • NorthStar
  • RBSE's URL Database
  • SIMON
  • SURANetGuide-All
  • W³ Search Engines
  • WebCrawler