file_map = {
    "aarnet": "Aarnet.graphml",
    "abilene": "Abilene.graphml",
    "abvt": "Abvt.graphml",
    "aconet": "Aconet.graphml",
    "agis": "Agis.graphml",
    "ai3": "Ai3.graphml",
    "airtel": "Airtel.graphml",
    "amres": "Amres.graphml",
    "ans": "Ans.graphml",
    "arn": "Arn.graphml",
    "arnes": "Arnes.graphml",
    "arpanet19706": "Arpanet19706.graphml",
    "arpanet19719": "Arpanet19719.graphml",
    "arpanet19723": "Arpanet19723.graphml",
    "arpanet19728": "Arpanet19728.graphml",
    "arpanet196912": "Arpanet196912.graphml",
    "asnetam": "AsnetAm.graphml",
    "atmnet": "Atmnet.graphml",
    "attmpls": "AttMpls.graphml",
    "azrena": "Azrena.graphml",
    "bandcon": "Bandcon.graphml",
    "basnet": "Basnet.graphml",
    "bbnplanet": "Bbnplanet.graphml",
    "bellcanada": "Bellcanada.graphml",
    "bellsouth": "Bellsouth.graphml",
    "belnet2003": "Belnet2003.graphml",
    "belnet2004": "Belnet2004.graphml",
    "belnet2005": "Belnet2005.graphml",
    "belnet2006": "Belnet2006.graphml",
    "belnet2007": "Belnet2007.graphml",
    "belnet2008": "Belnet2008.graphml",
    "belnet2009": "Belnet2009.graphml",
    "belnet2010": "Belnet2010.graphml",
    "beyondthenetwork": "BeyondTheNetwork.graphml",
    "bics": "Bics.graphml",
    "biznet": "Biznet.graphml",
    "bren": "Bren.graphml",
    "bsoneteurope": "BsonetEurope.graphml",
    "btasiapac": "BtAsiaPac.graphml",
    "bteurope": "BtEurope.graphml",
    "btlatinamerica": "BtLatinAmerica.graphml",
    "btnorthamerica": "BtNorthAmerica.graphml",
    "canerie": "Canerie.graphml",
    "carnet": "Carnet.graphml",
    "cernet": "Cernet.graphml",
    "cesnet1993": "Cesnet1993.graphml",
    "cesnet1997": "Cesnet1997.graphml",
    "cesnet1999": "Cesnet1999.graphml",
    "cesnet2001": "Cesnet2001.graphml",
    "cesnet200304": "Cesnet200304.graphml",
    "cesnet200511": "Cesnet200511.graphml",
    "cesnet200603": "Cesnet200603.graphml",
    "cesnet200706": "Cesnet200706.graphml",
    "cesnet201006": "Cesnet201006.graphml",
    "chinanet": "Chinanet.graphml",
    "claranet": "Claranet.graphml",
    "cogentco": "Cogentco.graphml",
    "colt": "Colt.graphml",
    "columbus": "Columbus.graphml",
    "compuserve": "Compuserve.graphml",
    "crlnetworkservices": "CrlNetworkServices.graphml",
    "cudi": "Cudi.graphml",
    "cwix": "Cwix.graphml",
    "cynet": "Cynet.graphml",
    "darkstrand": "Darkstrand.graphml",
    "dataxchange": "Dataxchange.graphml",
    "deltacom": "Deltacom.graphml",
    "deutschetelekom": "DeutscheTelekom.graphml",
    "dfn": "Dfn.graphml",
    "dialtelecomcz": "DialtelecomCz.graphml",
    "digex": "Digex.graphml",
    "easynet": "Easynet.graphml",
    "eenet": "Eenet.graphml",
    "elibackbone": "EliBackbone.graphml",
    "epoch": "Epoch.graphml",
    "ernet": "Ernet.graphml",
    "esnet": "Esnet.graphml",
    "eunetworks": "Eunetworks.graphml",
    "evolink": "Evolink.graphml",
    "fatman": "Fatman.graphml",
    "fccn": "Fccn.graphml",
    "forthnet": "Forthnet.graphml",
    "funet": "Funet.graphml",
    "gambia": "Gambia.graphml",
    "garr199901": "Garr199901.graphml",
    "garr199904": "Garr199904.graphml",
    "garr199905": "Garr199905.graphml",
    "garr200109": "Garr200109.graphml",
    "garr200112": "Garr200112.graphml",
    "garr200212": "Garr200212.graphml",
    "garr200404": "Garr200404.graphml",
    "garr200902": "Garr200902.graphml",
    "garr200908": "Garr200908.graphml",
    "garr200909": "Garr200909.graphml",
    "garr200912": "Garr200912.graphml",
    "garr201001": "Garr201001.graphml",
    "garr201003": "Garr201003.graphml",
    "garr201004": "Garr201004.graphml",
    "garr201005": "Garr201005.graphml",
    "garr201007": "Garr201007.graphml",
    "garr201008": "Garr201008.graphml",
    "garr201010": "Garr201010.graphml",
    "garr201012": "Garr201012.graphml",
    "garr201101": "Garr201101.graphml",
    "garr201102": "Garr201102.graphml",
    "garr201103": "Garr201103.graphml",
    "garr201104": "Garr201104.graphml",
    "garr201105": "Garr201105.graphml",
    "garr201107": "Garr201107.graphml",
    "garr201108": "Garr201108.graphml",
    "garr201109": "Garr201109.graphml",
    "garr201110": "Garr201110.graphml",
    "garr201111": "Garr201111.graphml",
    "garr201112": "Garr201112.graphml",
    "garr201201": "Garr201201.graphml",
    "gblnet": "Gblnet.graphml",
    "geant2001": "Geant2001.graphml",
    "geant2009": "Geant2009.graphml",
    "geant2010": "Geant2010.graphml",
    "geant2012": "Geant2012.graphml",
    "getnet": "Getnet.graphml",
    "globalcenter": "Globalcenter.graphml",
    "globenet": "Globenet.graphml",
    "goodnet": "Goodnet.graphml",
    "grena": "Grena.graphml",
    "gridnet": "Gridnet.graphml",
    "grnet": "Grnet.graphml",
    "gtsce": "GtsCe.graphml",
    "gtsczechrepublic": "GtsCzechRepublic.graphml",
    "gtshungary": "GtsHungary.graphml",
    "gtspoland": "GtsPoland.graphml",
    "gtsromania": "GtsRomania.graphml",
    "gtsslovakia": "GtsSlovakia.graphml",
    "harnet": "Harnet.graphml",
    "heanet": "Heanet.graphml",
    "hiberniacanada": "HiberniaCanada.graphml",
    "hiberniaglobal": "HiberniaGlobal.graphml",
    "hiberniaireland": "HiberniaIreland.graphml",
    "hibernianireland": "HiberniaNireland.graphml",
    "hiberniauk": "HiberniaUk.graphml",
    "hiberniaus": "HiberniaUs.graphml",
    "highwinds": "Highwinds.graphml",
    "hostwayinternational": "HostwayInternational.graphml",
    "hurricaneelectric": "HurricaneElectric.graphml",
    "ibm": "Ibm.graphml",
    "iij": "Iij.graphml",
    "iinet": "Iinet.graphml",
    "ilan": "Ilan.graphml",
    "integra": "Integra.graphml",
    "intellifiber": "Intellifiber.graphml",
    "internetmci": "Internetmci.graphml",
    "internode": "Internode.graphml",
    "interoute": "Interoute.graphml",
    "intranetwork": "Intranetwork.graphml",
    "ion": "Ion.graphml",
    "iowastatewidefibermap": "IowaStatewideFiberMap.graphml",
    "iris": "Iris.graphml",
    "istar": "Istar.graphml",
    "itnet": "Itnet.graphml",
    "janetbackbone": "Janetbackbone.graphml",
    "janetexternal": "JanetExternal.graphml",
    "janetlense": "Janetlense.graphml",
    "jgn2plus": "Jgn2Plus.graphml",
    "karen": "Karen.graphml",
    "kentmanapr2007": "KentmanApr2007.graphml",
    "kentmanaug2005": "KentmanAug2005.graphml",
    "kentmanfeb2008": "KentmanFeb2008.graphml",
    "kentmanjan2011": "KentmanJan2011.graphml",
    "kentmanjul2005": "KentmanJul2005.graphml",
    "kreonet": "Kreonet.graphml",
    "lambdanet": "LambdaNet.graphml",
    "latnet": "Latnet.graphml",
    "layer42": "Layer42.graphml",
    "litnet": "Litnet.graphml",
    "marnet": "Marnet.graphml",
    "marwan": "Marwan.graphml",
    "missouri": "Missouri.graphml",
    "mren": "Mren.graphml",
    "myren": "Myren.graphml",
    "napnet": "Napnet.graphml",
    "navigata": "Navigata.graphml",
    "netrail": "Netrail.graphml",
    "networkusa": "NetworkUsa.graphml",
    "nextgen": "Nextgen.graphml",
    "niif": "Niif.graphml",
    "noel": "Noel.graphml",
    "nordu1989": "Nordu1989.graphml",
    "nordu1997": "Nordu1997.graphml",
    "nordu2005": "Nordu2005.graphml",
    "nordu2010": "Nordu2010.graphml",
    "nsfcnet": "Nsfcnet.graphml",
    "nsfnet": "Nsfnet.graphml",
    "ntelos": "Ntelos.graphml",
    "ntt": "Ntt.graphml",
    "oteglobe": "Oteglobe.graphml",
    "oxford": "Oxford.graphml",
    "pacificwave": "Pacificwave.graphml",
    "packetexchange": "Packetexchange.graphml",
    "padi": "Padi.graphml",
    "palmetto": "Palmetto.graphml",
    "peer1": "Peer1.graphml",
    "pern": "Pern.graphml",
    "pionierl1": "PionierL1.graphml",
    "pionierl3": "PionierL3.graphml",
    "psinet": "Psinet.graphml",
    "quest": "Quest.graphml",
    "redbestel": "RedBestel.graphml",
    "rediris": "Rediris.graphml",
    "renam": "Renam.graphml",
    "renater1999": "Renater1999.graphml",
    "renater2001": "Renater2001.graphml",
    "renater2004": "Renater2004.graphml",
    "renater2006": "Renater2006.graphml",
    "renater2008": "Renater2008.graphml",
    "renater2010": "Renater2010.graphml",
    "restena": "Restena.graphml",
    "reuna": "Reuna.graphml",
    "rhnet": "Rhnet.graphml",
    "rnp": "Rnp.graphml",
    "roedunet": "Roedunet.graphml",
    "roedunetfibre": "RoedunetFibre.graphml",
    "sago": "Sago.graphml",
    "sanet": "Sanet.graphml",
    "sanren": "Sanren.graphml",
    "savvis": "Savvis.graphml",
    "shentel": "Shentel.graphml",
    "sinet": "Sinet.graphml",
    "singaren": "Singaren.graphml",
    "spiralight": "Spiralight.graphml",
    "sprint": "Sprint.graphml",
    "sunet": "Sunet.graphml",
    "surfnet": "Surfnet.graphml",
    "switch": "Switch.graphml",
    "switchl3": "SwitchL3.graphml",
    "syringa": "Syringa.graphml",
    "tatanld": "TataNld.graphml",
    "telcove": "Telcove.graphml",
    "telecomserbia": "Telecomserbia.graphml",
    "tinet": "Tinet.graphml",
    "tlex": "TLex.graphml",
    "tw": "Tw.graphml",
    "twaren": "Twaren.graphml",
    "ulaknet": "Ulaknet.graphml",
    "unic": "UniC.graphml",
    "uninet": "Uninet.graphml",
    "uninett2010": "Uninett2010.graphml",
    "uninett2011": "Uninett2011.graphml",
    "uran": "Uran.graphml",
    "uscarrier": "UsCarrier.graphml",
    "ussignal": "UsSignal.graphml",
    "uunet": "Uunet.graphml",
    "vinaren": "Vinaren.graphml",
    "visionnet": "VisionNet.graphml",
    "vtlwavenet2008": "VtlWavenet2008.graphml",
    "vtlwavenet2011": "VtlWavenet2011.graphml",
    "widejpn": "WideJpn.graphml",
    "xeex": "Xeex.graphml",
    "xspedius": "Xspedius.graphml",
    "york": "York.graphml",
    "zamren": "Zamren.graphml",
}
