Next Article in Journal
Redundancy Mitigation Mechanism for Collective Perception in Connected and Autonomous Vehicles
Previous Article in Journal
Using Metaheuristics (SA-MCSDN) Optimized for Multi-Controller Placement in Software-Defined Networking
 
 
Font Type:
Arial Georgia Verdana
Font Size:
Aa Aa Aa
Line Spacing:
Column Width:
Background:
Editorial

Acknowledgment to the Reviewers of Future Internet in 2022

by
Future Internet Editorial Office
MDPI AG, St. Alban-Anlage 66, 4052 Basel, Switzerland
Future Internet 2023, 15(2), 40; https://doi.org/10.3390/fi15020040
Published: 19 January 2023
High-quality academic publishing is built on rigorous peer review. Future Internet was able to uphold its high standards for published papers due to the outstanding efforts of our reviewers. Thanks to the efforts of our reviewers in 2022, the median time to first decision was 14 days and the median time to publication was 34.5 days. Regardless of whether the articles they examined were ultimately published, the editors would like to express their appreciation and thank the following reviewers for the time and dedication that they have shown Future Internet:
Abboubakar, HamadjamLim, Jongbeom
Abdelhakeem, Shimaa A. Abdel HakeemLim, Sangsoon
Abdrabou, AtefLin, Hsiao-Chung
Abenza, Pedro Pablo GarridoLin, Jerry Chun-Wei
Abouaomar, AmineLin, Kuo-Ping
Acharya, SanjeevLin, Pingchang
Addie, RonLin, Sheng-Cheng
Afzalimehr, HosseinLin, Yibing
Agrawal, AlkaLin, Zhiyuan
Ahmad, TanveerLipizzi, Carlo
Ahmad, TouqeerListanti, Marco
Ahmed, QasimLiu, Jain-Shing
Ahvar, ShohrehLiu, Rongrong
Akritidis, LeonidasLiu, Yang
Alam, TanweerLiu, Yudong
Alani, Mohammed M.Lloret, Jaime
Alani, Omar YounisLombardi, Marco
Alexandridis, GeorgiosLong, Guilu
Alexandru, MarianLópez Granado, Otoniel Mario
Alhazmi, Omar H.López, Jairo
Ali, JehadLopez-Martin, Manuel
Ali, TanweerLorencin, Ivan
Alibakhshikenari, MohammadLou, Yang
Almeida Mendes, Mateus DanielLovén, Lauri
Almeida, FernandoLu, Yan
Alonso, FranciscoLu, Yang
Alonso, Miguel A.Lu, Yang (Jack)
Alruwaili, MadallahLuo, Yiran
Alzahrani, Bander A.Ma, Xuan
Alzubaidi, LaithMa, Yujun
Amin, FarhanMadokoro, Hirokazu
Amouri, AmarMaiti, Ananda
Anagnostis, AthanasiosMalaiya, Yashwant K.
Anđelić, NikolaMallouli, Wissam
Andročec, DarkoMalykhina, Galina
Angelis, ConstantinosManca, Stefania
Antonopoulou, HeraManousakis, Nikolaos
Antunes, MárioMansour, Romany
Apostolopoulos, IoannisMantzaris, Alexander V.
Arafat, Muahmmad YeasirMarcińczuk, Michał
Artiemjew, PiotrMariani, Stefano
Aryal, AnilMarin, Iuliana
Ashraf, AbdelhamiedMarinkovic, Dragan
Asif, RameezMarković, Goran Z.
Aslanov, Cyril S.Martínez-Otzeta, José María
Avgeris, MariosMartins, Fernando Gomes
Aysan, Ahmet FarukMascarenhas, Dalbert Matos
Baena-Morales, SalvadorMaskeliunas, Rytis
Bakaev, MaximMassoud, Moslehpour
Balestra, GabriellaMastroianni, Michele
Balicki, JerzyMatsumoto, Kazuyuki
Barakhnin, VladimirMatsuzaka, Yasunari
Barreto, LuísMatveev, Sergey
Barrie, HelenMazurek, Miroslaw
Barzdins, GuntisMeinel, Christoph
Batko, Kornelia M.Melis, Andrea
Belka, RadosławMelnychenko, Oleksandr
Bellavista, PaoloMendes, Paulo M.
Belyaev, EvgenyMendiboure, Léo
Benito, Rosa M.Mernik, Marjan
Bernardino, JorgeMerseguer, Jose
Beserra, DavidMi, Chao
Besoain, FelipeMichail, Vaitis
Bifulco, PaoloMichailidis, Panagiotis D.
Bilal, MuhammadMichelucci, Umberto
Bisogni, CarmenMichienzi, Andrea
Bithas, Petros S.Michler, Oliver
Bjorsell, NiclasMigniot, Cyrille
Bodislav, AlexandruMihaescu, Cristian Marian
Bogdan, PaulMihailescu, Marius Iulian
Boiten, EerkeMingesz, Robert
Bolanowski, MarekMirkes, Evgeny M.
Bonnini, StefanoMnasri, Sami
Brandenburger, MarcusMoayyed, Hamed
Braun, GermanMogas, Jordi
Breger, AnnaMohamed, Hanine
Briciu, Victor-AlexandruMolnar, Arthur
Brik, Bouziane AitMoon, Jongsub
Briongos, SamiraMoradi, Saed
Burgio, AlessandroMoraitis, Nektarios
Caggianese, GiuseppeMoraru, Luminita
Calandra, DavideMoreno Eguilaz, Juan Manuel
Caldarelli, GiulioMoreno, Jose I.
Cambou, BertrandMotta, Gianmario
Campo, CelesteMottura, Stefano
Cappai, Maria GraziaMoulos, Vrettos
Carlos, PascalMoumoutzis, Nektarios
Cassano, FabioMourtzis, Dimitris
Castro, Alejandro PuenteMozaffari, Hamed
Catak, Ferhat OzgurMukherjee, Biswajeet
Catelli, RosarioMunir, Md. Shirajum
Cauteruccio, FrancescoMunz, Michael
Cavenaghi, MarcosMuthanna, Mohammed Saleh Ali
Cenys, AntanasNabiałek, Marcin
Cercel, Dumitru-ClementinNakajima, Tatsuo
Černý, MichalNakamura, Kensuke
Ceruti, AlessandroNalmpantis, Dimitrios
Cervi, LauraNam, Yunyoung
Chaikalis, CostasNardi, Julio Cesar
Chakravarthy, S. R.Nasreddine, Kamal
Chandramouli, KrishnaNavarro, Joan
Chang, Ching-LungNdou, Valentina
Chang, FuminNeduzha, Larysa
Chang, Kuei-LunNguyen, Kien
Chang, SekchinNguyen, Toan-Van
Chang, WanjungNguyen, Tuan Anh
Chang, YaofengNguyen, Van Linh
Charters, StuartNieto-Hipolito, Juan Ivan
Chaudhary, RajatNikiforova, Anastasija
Chen, ChaoNikolopoulou, Kleopatra
Chen, Chin-LingNita, Stefania Loredana
Chen, HuamingNkenyereye, Lionel
Chen, Kuen-SuanNoblin, Alice
Chen, LongshengNour, Boubakr
Cheong, Kang HaoNovikova, Evgenia
Chernov, AndreyNovitskiy, Alexander
Chien, Ying-RenNowak, Mateusz
Chih, MingchangNowak-Brzezińska, Agnieszka
Chinnici, MartaNowakowski, Grzegorz
Chiu, Chuang-YuanNtantogian, Christoforos
Chmielarz, WitoldNwakanma, Cosmas Ifeanyi
Chochliouros, IoannisOctavio, Loyola-Gonzalez
Chodorek, AgnieszkaOgundokun, Roseline Oluwaseun
Chodorek, Robert R.Ohshima, Naoki
Chou, JerryOjo, Mike Oluwatayo
Chu, Hung-ChiOktian, Yustus Eko
Chumachenko, DmytroOleiwi, Haider W.
Činčikaitė, RenataOluwadare, Oluwatosin
Ciobanu, Catalin BogdanOrehovački, Tihomir
Ciurea, CristianOrhei, Ciprian
Cocianu, Cătălina-LuciaOrlova, Ekaterina
Combéfis, SébastienOrtiz, Jordi
Comesaña-Campos, AlbertoOrúe López, Amalia Beatriz
Comisso, MassimilianoO'Shaughnessy, Douglas
Corduas, MarcellaOskarbski, Jacek
Corti, FabioOżadowicz, Andrzej
Cosma, AntonioPachidis, Theodore
Cranfield, DesireéPal, Shantanu
Cremonini, MarcoPalazzo, Maria
Crisan, Gloria CeraselaPallazi, Claudio
Crocker, PaulPanagis, Ioannis
Csurgai-Horváth, LászlóPanagopoulos, Michail
Curiac, Daniel-IoanPanchal, Satyam
Dabiri, HamedPankowska, Malgorzata
Dąbrowska, DominikaPaprocka, Iwona
Damasevicius, RobertasParada Medina, Raúl
D'Andreagiovanni, FabioPark, Jong-Seung
Dantas, Mario A. R.Park, Seong Keun
Darriba Bilbao, Víctor ManuelPark, Soochang
Darwish, Mohamed M. F.Parrino, Stefano
Daskalopulu, AspassiaPatalas-Maliszewska, Justyna
Dave, RushitPathan, Sakib K.
David, BertrandPatsakis, Constantinos
De Albuquerque, Victor Hugo C.Paul, Anand
De Carvalho, Victor Diogho HeuerPavlič, Luka
De Lázaro Torres, María LuisaPedregal Mateos, Belén
De Ruiter, Hans PeterPejic Bach, Mirjana
De Sousa Lima, Francisco W.Pekarcikova, Miriam
Dechouniotis, DimitriosPeluso, Valentino
Del-Valle-Soto, CarolinaPerak, Benedikt
Demartini, ClaudioPescapè, Antonio
Demertzis, KonstantinosPester, Andreas
Demeter, RobertPetcu, Dana
Demidova, LiliyaPhyo, Cho Nilar
Dewi, ChristinePillette, Léa
Di Corso, EvelinaPinho, Armando J.
Di Mauro, MarioPinto, António
Díaz-Cacho Medina, Miguel RamónPiotrowski, Paweł
Dib, OmarPires, Ivan Miguel
Diego, Belén CurtoPitropakis, Nikolaos
Dimitri, Giovanna MariaPolatidis, Nikolaos
Dimitriou, DimitriosPoljak, Nikola
Ding, ZhenghaoPonciano, Jean-Jacques
Dinh, TaiPopescu, Daniela-Elena
Dobre, Robert-AlexandruPorcello, Darrell
Dobrota, VirgilPorcher, Simon
Dolnik, BystrikPoulkov, Vladimir
Domaszewicz, JarosławPoulose, Alwin
Donelli, MassimoPowroznik, Pawel
Dong, YudiPrause, Christian
Dong, ZhaoyangPregowska, Agnieszka
Donta, Praveen KumarPritykin, Dmitry
Dospinescu, NicoletaPsannis, Kostas
Doulamis, AnastasiosQi, Jun
Doulamis, NikolaosQi, Lianyong
Doyle, JosephQi, Yin
Drăghici, Camelia LuciaRabitti, Alvise
Dragoi, MarianRachev, Svetlozar T.
Drezewski, RafalRadanliev, Petar
Drlik, MartinRadoglou-Grammatikis, Panagiotis
Drobot, RaduRafatirad, Setareh
Drummond, Colin K.Rahm, Alanna Kulchak
Dudziak, AgnieszkaRahman, Muhammad A.
Dumitriu, DanRak, Tomasz
Duplaga, MariuszRamanauskaitė, Simona
Easwaramoorthy, Sathishkumar, V.Rangaiah, Pramod K. B.
Efremova, Elena V.Rao, Muzaffar
Egger, JanRauf, Hafiz Tayyab
Ekpo, SundayRauniyar, Ashish
Elagin, VasiliyRauschnabel, Philipp A.
Elbattah, MahmoudRecio, Tomas
Elnakib, AhmedReis, João
Engel, Felix CasparRen, Yongjun
Entezami, AlirezaRinaldi, Claudia
Estepa, RafaelRisdianto, Aris Cahyadi
Ewart, JacquelineRito, Pedro
Facchini, FrancescoRivera-Rodriguez, Raul
Falkowski-Gilski, PrzemyslawRoberto, Fazio
Fan, JingRoblek, Vasja
Fang, Kwo-TingRodríguez Jiménez, Carmen
Fantazzini, DeanRodríguez, Demóstenes Zegarra
Farid, FarnazRogulski, Mariusz
Fascista, AlessioRoka, Rastislav
Fattahi, JaouharRoldán-Blay, Carlos
Feng, AijingRomano, Marco
Feoktistov, AlexanderRomanov, Aleksandr
Fernández-Arias, PabloRompante Cunha, Carlos
Fernandez-Veiga, ManuelRonkin, Mikhail
Ferrag, Mohamed AmineRoot-Gutteridge, Holly
Ferrante, AlbertoRothkrantz, Leon
Ferreira Lousado, José PauloRubio-Loyola, Javier
Ferro, GiulioRuggieri, Roberto
Fesenmaier, Daniel R.Ruiz, Vicente González
Ficco, MassimoRusso, Paolo
Fields, ChrisRusyn, Bohdan
Filippov, AlekseySaarela, Mirka
Fitriyani, Norma LatifSabuj, Saifur Rahman
Flaga, StanislawSadiq, Ali Safaa
Flintoff, KimSadok, Djamel F. H.
Florea, Bogdan CristianSaeed, Javanmardi
Fondevila-Gascón, Joan-FrancescSaeed, Nagham
Fonseca, Fernando P.Saha, Subrata
Forestiero, AgostinoSaia, Roberto
Fortuna, LuigiSainz, Nekane
Fox, GeoffreySalimi, Mehdi
Fragoulis, GeorgeSalkuti, Surender Reddy
Franco Silva, EdelbertoSamuel, John
Frattolillo, FrancoSaniuk, Sebastian
Fu, YuguangSantos Gago, Juan M.
Gagliardi, IsabellaSato, Hiroyuki
Galante, FrancescoSawicki, Krzysztof
Gao, GuanyuSchiffner, Stefan
García Gutiérrez, Alberto EloySchiopu, Ionut
García Martín, JuditSchlemmer, Alexander
García, MarceloSchmoch, Ulrich
Garroppo, Rosario GiuseppeSebe, Francesc
Gasteratos, AntoniosSeda, Pavel
Gatti, MauroSeeling, Patrick
Gayialis, SotirisSellitto, Miguel
Ge, LinqiangSemenova, Olga
Geisler, StefanSen, Sourav
Generowicz, AgnieszkaSeo, Byung-Kuk
Georgiadis, CharalamposŞerban, Gheorghe
Gheisari, MehdiSevcik, Lukas
Ghiasi, MohammadSfeatcu, Ionela Ruxandra
Ghimire, DeepakSha, Kewei
Giallanza, AntonioShaaban, Abdelkader
Ginesta Portet, XavierShabbir, Noman
Gioulekas, FotiosShafiq, Muhammad
Girolami, MicheleShah, Zawar
Gkonis, Panagiotis K.Shahidi, Reza
Golmohamadi, HessamShao, Chenglong
Gołofit, KrzysztofSharif, Kashif
Gomez, ValentínSharma, Sachin
Gómez-Moreno, HilarioShaukat, Kamran
González Pérez, IsaíasShibata, Naoki
Gorbenko, AnnaShih, Dong-Her
Górski, TomaszShmeleva, Nadezhda
Gotovtsev, PavelShrestha, Anish Prasad
Grabowska, SandraShvetsov, Alexey V.
Greis, Noel P.Sidor, Csaba
Grobelna, IwonaSidorov, Sergei P.
Guarino, AlfonsoSikora, Axel
Gudelj, AnitaSilva, Júlia Marques Carvalho Da
Guo, JinhuaSima, Violeta
Gupta, BrijSingh, Jyoti Prakash
Guzsvinecz, TiborSingh, Rajani
Gyorodi, CorneliaSingh, Raman
Habib, UsmanSini, Jacopo
Hadaś-Dyduch, MonikaSkibińska, Małgorzata
Hafeez, AzeemSkowroński, Rafal
Hagedorn, StefanSmirnovs, Juris
Haidegger, TamásSmith, Eric P.
Haldorai, AnandakumarSoares, Paula Isabel
Han, CongzhengSoares, Vasco N. G. J.
Hecking, TobiasSoe, Yan Naung
Heide Clausen, ThomasSokol, Pavol
Heiden, BernhardSolanki, Sourabh
Helebrandt, PavolŠolc, Marek
Helgheim, Berit I.Soldani, Jacopo
Helldin, ToveSoliman, Hamdy
Hernández, GuillermoSolmaz, Selim
Herrera-Tapia, JorgeSoltani, Reza
Heydari, ShahramSołtysik, Maciej
Heydariaan, MiladSonobe, Rei
Hnatiuc, MihaelaSoylu, Ahmet
Ho, Jun-WonSpaanenburg, Lambert
Hoang, Xuan DauSpantideas, Sotirios
Holubek, RadovanSpecht, Cezary
Hong, Wei-ChiangSrinivasan, Satish Mahadevan
Horák, JakubStamenkovic, Zoran
Hristea, FlorentinaStamou, Adamantia
Hsiao, Sung-JungStecuła, Kinga
Hsu, Tse-ChuanStefaniak, Paweł
Huang, Jih-JengStefanovič, Pavel
Huang, ShaoguangSteingartner, William
Huang, Yung-FaStella, Massimo
Humayun, MamoonaStentoumis, Christos
Husár, JozefStoean, Catalin
Hussain, SajjadStrielkowski, Wadim
Ieong, RicciStrzałka, Dominik
Iero, DemetrioStrzelecki, Michał
Ijaz, Muhammad FazalSu, Yu-Sheng
Ilieva, GalinaSuarez, Alvaro
Imoize, AgbotinameSuciu, George
Infante, AlfonsoSulistiyo, Mahmud Dwi
Inoue, RyoSun, Jun
Inta, MarinelaSuresh, Mahima Agumbe
Ionescu, Valeriu ManuelSuresh, Vishnu
Iqbal, MubasharŠvigelj, Aleš
Isakovic, AbdelSyafrudin, Muhammad
Isidori, DanielaSzkaliczki, Tibor
Islam, AnikTang, Yuk M.
Ivanov, OvidiuTang, Yunchao
Jaber, MonaTardif, Pierre-Martin
Jacyna, MariannaTashtarian, Farzad
Jalali, MehrdadTavolato, Paul
Jan, Chyan-LongTesta, Alessandro
Jelodar, HamedThorleuchter, Dirk
Jesus, GoncaloTiernan, Peter
Jiang, WeiweiTiplea, Ferucio Laurentiu
Jiang, YuchenTlelo-Cuautle, Esteban
Jnawali, KamalTomaš, Suzana
Jonek-Kowalska, IzabelaTomaszuk, Dominik
Jones, Albert T.Tostado-Véliz, Marcos
Joshi, SantoshToto, Giusi Antonia
Jun, SunghaeTrakadas, Panagiotis
Junior, AntonioTrejo, Luis
Jusak, JusakTruică, Ciprian-Octavian
Kakarountas, AthanasiosTrukeschitz, Birgit
Kaltakis, KonstantinosTsang, Yung Po
Kamal, Md Abdus SamadTsaramirsis, George
Kamariotou, MariaTseng, Shu-Ming
Kanavos, AndreasTsiligkaridis, John
Kang, JamesTsochev, Georgi
Karacapilidis, NikosTuset-Peiro, Pere
Karami, Abir B.Twu, Ruey-Ching
Karampatzakis, DimitrisTyshchenko, Oleksii
Karatkevich, AndreiUdokwu, Chibuzor
Karavas, Christos-SpyridonUgwuanyi, Stephen
Karkazis, Panagiotis A.Ungurean, Ioan
Karlos, StamatisUrsino, Domenico
Karoń, GrzegorzUrtnasan, Erdenebayar
Karpinski, MikołajValls Martínez, María Del Carmen
Karppinen, PasiVanetik, Natalia
Kasapakis, VlasiosVarasano, Antonietta
Kässi, TuomoVasilakos, Athanasios
Kastrin, AndrejVasilateanu, Andrei
Katsikas, SokratisVeeraraghavan, Prakash
Kaur, ManjitVeglis, Andreas
Kaźmierczak, RafałVemuru, Krishnamurthy
Kenawy, SayedVenkatraman, Sitalakshmi
Kenneth So, Kwok KanVergara, Diego
Kenyeres, MartinVidal, Jorge Maestre
Kertész, GáborVidal-Tomás, David
Khalil, GhaithVimal, Kumar
Khan, AsifVincenzo, Varriale
Khan, Muhammad AdnanVisconti, Paolo
Khan, Salah Ud-DinVišković, Klaudija
Khan, TareqVladyko, Andrei
Kharchenko, VyacheslavVranken, Harald
Kierzkowski, ArturVryzas, Nikolaos
Kim, Hyun SungVujić, Miroslav
Kim, Jeong GeunVulpe, Alexandru
Kim, Jong-ChanWang, Cheng
Kim, Ki-IlWang, Chia-hui
Kim, MoonseongWang, Hai
Kim, MyungseobWang, Jingyu
Kim, Yun-SoungWang, Kejin
Kimihiro, MizutaniWang, Lulu
Kliber, PawełWang, Ning
Knauth, StefanWang, Ping
Kochovski, PetarWang, Qianlong
Kogias, DimitrisWang, Yi
Konev, AntonWawer, Aleksander
Kong, Byeong YongWei, Zhongxiang
Konorski, JerzyWeiss, Christian
Kontogiannis, SotiriosWeng, Duojie
Konys, AgnieszkaWerner, Sebastian
Kordos, MiroslawWesolowski, Krzysztof
Korzun, DmitryWięcek, Dariusz
Kostavelis, IoannisWielgosz, Maciej
Kotsiantis, SotirisWiseman, Yair
Koubias, StavrosWojcicki, Piotr
Koulamas, ChristosWójcik, Dariusz
Koun, SugimotoWozniak, Jacek
Kovács, GyörgyWu, Celimuge
Kovalcsik, TamásWu, Zhijun
Kozielski, MichałWyrwicka, Magdalena
Kralevska, KatinaXiao, Liangliang
Krész, MiklósXie, Shengkun
Kučera, ErikYablochnikov, Sergey
Kuhn, NicolasYague, Agustin
Kuik, SweeYang, Chunwei
Kumara, IndikaYang, Feifei
Kurz, MarcYeh, Bih Chyun
Kuzmin, LevYerima, Suleiman
Lai, Chuan-ChiYoo, Changsok
Lai, CristianYu, Harry
Lanza, JorgeYu, Yang
Lazaroiu, GeorgeYuan, Haitao
Lazarus, SulemanZaborowicz, Maciej
Le, HoangZagan, Ionel
Le, Thi-Thu-HuongZakrzewski, Zbigniew
Lee, ChongdeukZarrin, Javad
Lee, Il-GuZhang, Hongbo
Lee, InZhang, Rui
Lee, Kwang-sigZhang, Weiwen
Lee, Nam-YongZhang, Xiaomei
Lee, SeongjinZhang, Xinming
Lee, Soo-JeungZhang, Xinxiang
Lee, SuanZhang, Zhongwei
Lee, Suk JinZhao, Chunying
Lee, Young-duZhao, Liang
Leitão, JoãoZheng, Pan
Leithardt, ValderiZhou, Mengchu
Lent, RicardoZhou, Tianfei
Leszczuk, MikołajZhou, Xujuan
Letia, Tiberiu StefanZhu, Guoniu
Li , ShugangZia, Muhammad Yousuf Irfan
Li, HuiZidianakis, Emmanouil
Li, WeiZiemer, Tim
Li, YunanZikria, Yousaf Bin
Liang, ZifeiZiolkowski, Patryk
Liaw, Shu-YiZukarnain, Zuriati Ahmad
Lile, Ramona
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.

Share and Cite

MDPI and ACS Style

Future Internet Editorial Office. Acknowledgment to the Reviewers of Future Internet in 2022. Future Internet 2023, 15, 40. https://doi.org/10.3390/fi15020040

AMA Style

Future Internet Editorial Office. Acknowledgment to the Reviewers of Future Internet in 2022. Future Internet. 2023; 15(2):40. https://doi.org/10.3390/fi15020040

Chicago/Turabian Style

Future Internet Editorial Office. 2023. "Acknowledgment to the Reviewers of Future Internet in 2022" Future Internet 15, no. 2: 40. https://doi.org/10.3390/fi15020040

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

Article Metrics

Back to TopTop