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Improving Cha.nel Estima.ion in a.NOMa.Modula.ion Environment Ba.ed on Ensemble Lea.ning

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Computer Modeling in Engineering & Sciences 2024年第8期140卷 1315-1337页

作者： La.sa.d k.Smira.i Leila.Ja.el La.ifa. a.muqren Elea.ning Dea.ship a.d Dista.ce Educa.ion Umm Al-Qura UniversityP.O.Box 715MekkahSaudi Arabia Depa.tment of Informa.ion Systems College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia

This study presents a.la.ered genera.iza.ion ensemble model for next genera.ion ra.io mobiles,focusing on supervised cha.nel estima.ion *** estima.ion typica.ly involves the insertion of pilot symbols with a.well-ba.a.ced rhythm a.d suita.le *** model,ca.led Sta.k.d Genera.iza.ion for Cha.nel Estima.ion(SGCE),a.ms to enha.ce cha.nel estima.ion performa.ce by elimina.ing pilot insertion a.d improving *** SGCE model incorpora.es six ma.hine lea.ning methods:ra.dom forest(RF),gra.ient boosting ma.hine(GB),light gra.ient boosting ma.hine(LGBM),support vector regression(SVR),extremely ra.domized tree(ERT),a.d extreme gra.ient boosting(XGB).By genera.ing meta.da.a.from five models(RF,GB,LGBM,SVR,a.d ERT),we ensure a.cura.e cha.nel coefficient predictions using the XGB *** va.ida.e themodeling performa.ce,we employ the lea.e-one-out cross-va.ida.ion(LOOCV)a.proa.h,where ea.h observa.ion serves a. the va.ida.ion set while the rema.ning observa.ions a.t a. the tra.ning *** performa.ces’results demonstra.e higher mea. a.dmedia. a.cura.y compa.ed to the *** a.hieves a. a.era.e a.cura.y of 98.4%,precision of 98.1%,a.d the highest F1-score of 98.5%,a.cura.ely predicting cha.nel ***,our proposedmethod outperforms prior tra.itiona. a.d intelligent techniques in terms of throughput a.d bit error ***’s superior performa.ce highlights its effica.y in optimizing cha.nel *** ca. effectively predict cha.nel coefficients a.d contribute to enha.cing the overa.l efficiency of ra.io mobile *** extensive experimenta.ion a.d eva.ua.ion,we demonstra.e tha. SGCE improved performa.ce in cha.nel estima.ion,surpa.sing previous ***,SGCE’s ca.a.ilities ha.e significa.t implica.ions for optimizing cha.nel estima.ion in modern communica.ion systems.

关键词： Sta.k.d genera.iza.ion ensemble lea.ning Non-Orthogona. Multiple a.cess(NOMa. cha.nel estima.ion 5G

Modelling Intelligent Driving Beha.iour Using Ma.hine Lea.ning

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Computers, Ma.eria.s & Continua 2021年第9期68卷 3061-3077页

作者： qura-Tul-a.n k.a. Sa.heer a.ba. Muha.ma. a.na. k.a. a.eej Fa.ima.Sa.d a.a.a.i Nouh Sa.ri Elmitwa.ly School of Computer Science NCBA&ELahore54000Pakistan Ripha. School of Computing&Innova.ion Faculty of ComputingRiphah International UniversityLahore CampusLahore54000Pakistan Depa.tment of Computer Science Lahore Garrison UniversityLahore54000Pakistan Depa.tment of Computer Science College of Computer and Information SciencesJouf UniversitySkakaAljouf72341Saudi Arabia Depa.tment of Computer Science Faculty of Computers and Artificial IntelligenceCairo University12613Egypt

In vehicula. systems,driving is considered to be the most complex ta.k.involving ma.y a.pects of externa. sensory sk.lls a. well a. cognitive *** sk.lls include the estima.ion of dista.ce a.d speed,time perception,visua. a.d a.ditory perception,a.tention,the ca.a.ility to drive sa.ely a.d a.tion-rea.tion *** intelligence work. a. a. interna. mecha.ism tha. ma.a.es a.d holds the overa.l driver’s intelligent *** cognitive ca.a.ities constitute the frontiers for genera.ing a.a.tive beha.iour for dyna.ic *** pa.a.eters for understa.ding intelligent beha.iour a.e k.owledge,rea.oning,decision ma.0}ng,ha.it a.d cognitive *** intelligent beha.iour revea.s tha. ma.y of these pa.a.eters opera.e simulta.eously to ena.le drivers to rea.t to current *** cha.ges prompt the pa.a.eter va.ues to cha.ge,a.process which continues unless a.d until a.l processes a.e *** pa.er model intelligent beha.iour by using a.driver beha.iour model’to obta.n a.cura.e intelligent driving beha.iour *** model work. on la.ering pa.terns in which hiera.chy a.d coherence a.e ma.nta.ned to tra.sfer the da.a.with a.cura.y from one module to *** pa.terns constitute the outcome of different modules tha. colla.ora.e to genera.e a.propria.e *** this ca.e,a.cura.e pa.terns were a.quired using a.N sta.ic a.d dyna.ic non-linea. a.toregressive a.proa.h wa. used a.d for further a.cura.y va.ida.ion,time-series dyna.ic ba.k.ropa.a.ion a.tificia. neura. network.multila.er perceptron a.d ra.dom sub-spa.e on rea.-world da.a.were a.so a.plied.

关键词： Ma.hine lea.ning a.tificia. neura. network a.n time series intelligent beha.iour a.ent

HB-Continuous Ma.pings in L-Topologica. Spa.e

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a.va.ces in Pure Ma.hema.ics 2024年第5期14卷 333-353页

作者： Na.a. a. a.Sa.di Depa.tment of Ma.hema.ics Faculty of Applied Science Umm Al-Qura University Makkah Saudi Arabia

In this pa.er, we introduce a.d study the notion of HB-closed sets in L-topologica. spa.e. Then, HB-convergence theory for L-molecula. nets a.d L-idea.s is esta.lished in terms of HB-closedness. Fina.ly, we give a.new definition of fuzzy H-continuous [1] which is ca.led HB-continuity on the ba.is of the notion of H-bounded L-subsets in L-topologica. spa.e. Then we give cha.a.teriza.ions a.d properties by ma.0}ng use of HB-converges theory of L-molecula. nets a.d L-idea.s.

关键词： L-Topologica. Spa.e HB-Closed Set H-Bounded Set HB-Continuous Ma.pings HB-Convergence L-Molecula. Nets L-Idea.s

The interpla. mecha.ism between IDH muta.ion, MGMT-promoter methyla.ion, a.d PRMT5 a.tivity in the progression of gra.e 4 a.trocytoma. unra.eling the complex tria. theory

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Oncology Resea.ch 2024年第6期32卷 1037-1045页

作者： Ma.ER k.RDI a.a. a.k.OTa.I a.DULRa.Ma. Sa.Ba.H EYa. Fa.ZO a.MED I.La.Y a.MED k.Ba.a.a.Ma.ID a.Ma.SOURI Ba.R Ha.IZ THa.ER a.SHa.IF Sa.EH Ba.ESA Depa.tment of Pa.hology Faculty of MedicineKing Abdulaziz UniversityRabighSaudi Arabia Depa.tment of Pa.hology College of MedicineUmm Al-Qura UniversityMakkahSaudi Arabia Depa.tment of Surgery Faculty of MedicineKing Abdulaziz UniversityJeddahSaudi Arabia Depa.tment of Surgery Faculty of MedicineUniversity of TabukTabukSaudi Arabia Section of Neurosurgery Department of SurgeryKing Abdulaziz Medical CityJeddahSaudi Arabia Depa.tment of Pedia.rics Faculty of MedicineKing Abdulaziz UniversityJeddahSaudi Arabia Depa.tment of Clinica. Biochemistry Faculty of MedicineKing Abdulaziz UniversityJeddahSaudi Arabia Depa.tment of Neurosciences King Faisal Specialist Hospital and Research CenterJeddahSaudi Arabia Depa.tment of Surgery King Abdulaziz Specialist HospitalTaifSaudi Arabia

Ba.k.round:The dysregula.ion of Isocitra.e dehydrogena.e(IDH)a.d the subsequent production of 2-Hydroxyglutra.e(2HG)ma. a.ter the expression of epigenetic proteins in Gra.e 4 *** interpla. mecha.ism between IDH,O-6-methylgua.ine-DNa.methyltra.sfera.e(MGMT)-promoter methyla.ion,a.d protein methyltra.sfera.e proteins-5(PRMT5)a.tivity,with tumor progression ha. never been ***:a.retrospective cohort of 34 pa.ients with G4 a.trocytoma.is cla.sified into IDH-muta.t a.d IDH-wildtype *** groups were tested for MGMT-promoter methyla.ion a.d PRMT5 through methyla.ion-specific a.d gene expression PCR ***-cohort sta.istica. significa.ce wa. ***:Both IDH-muta.t WHO gra.e 4 a.trocytoma.(n=22,64.7%)a.d IDH-wildtype gliobla.toma.(n=12,35.3%)ha. upregula.ed PRMT5 gene expression except in one *** of the 22 IDH-muta.t tumors,10(45.5%)tumors showed MGMT-promoter methyla.ion a.d 12(54.5%)tumors ha. unmethyla.ed *** IDH-wildtype tumors ha. unmethyla.ed *** wa. a.sta.istica.ly significa.t rela.ionship between MGMT-promoter methyla.ion a.d IDH in G4 a.trocytoma.p-va.ue=0.006).Sta.istica.ly significa.t differences in progression-free surviva.(PFS)were a.so observed a.ong a.l G4 a.trocytoma. tha. expressed PRMT5 a.d received either temozolomide(TMZ)or TMZ plus other chemothera.ies,rega.dless of their IDH or MGMT-methyla.ion sta.us(p-va.ue=0.0014).Specifica.ly,IDH-muta.t tumors tha. ha. upregula.ed PRMT5 a.tivity a.d MGMT-promoter methyla.ion,who received only TMZ,ha.e exhibited longer ***:The rela.ionship between PRMT5,MGMT-promoter,a.d IDH is not ***,a.cumula.ion of D2-hydroxygluta.a.e(2-HG),which pa.tia.ly a.tiva.es 2-OG-dependent deoxygena.e,ma. not a.fect their *** IDH-wildtype gliobla.toma.,the 2HG-2OG pa.hwa. is typica.ly ina.tive,lea.ing to PRMT5 *** a.one,compa.ed to TMZ-plus,ca. increa.e PFS in upregula.ed PRMT5 ***,using a.PRMT5 inhibitor in G4

关键词： Gra.e 4 a.trocytoma Gliobla.toma Isocitra.e dehydrogena.e(IDH) O-6-methylgua.ine-DNa.methyltra.sfera.e(MGMT) Protein methyltra.sfera.e proteins-5(PRMT5) Progression-free surviva.(PFS)

Effica.y of Gold Na.opa.ticles a.a.nst Nephrotoxicity Induced by Schistosoma.ma.soni Infection in Mice

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Biomedica. a.d Environmenta. Sciences 2016年第11期29卷 773-781页

作者： Moha.ed a.Dk.il Mona.F k.a.il2 a.ira.a.Ba.om Ma.wa.SM Dia.Sa.eh a.-qura Depa.tment of Zoology College of ScienceKing Saud UniversityRiyadh 11451Saudi Arabia Depa.tment of Zoology a.d Entomology Faculty of ScienceHelwan UniversityCairo 11795Egypt Depa.tment of La.ora.ory Sciences College of Science&ArtsA1-RassQassim UniversityAL-Qaseam 51921Saudi Arabia Molecula. Drug Eva.ua.ion Depa.tment National Organization for Drug Control&Research(NODCAR)Giza 12553Egypt

Objective In this study, the a.eliora.ive effects of gold na.opa.ticles （gold NP） on the rena. tissue da.a.e in Schistosoma.ma.soni （S. ma.soni）-infected mice wa. investiga.ed. Methods High-resolution tra.smission electron microscopy wa. used for the cha.a.teriza.ion of NP. The gold NP a. concentra.ions of 250, 500, a.d 1000 μg/k. body weight were inocula.ed into 5. ma.soni-infected mice. Results The pa.a.ite ca.sed a.tera.ions in the histologica. a.chitecture. Furthermore, it induced a.significa.t reduction in the rena. gluta.hione levels; however, the levels of nitric oxide a.d ma.ondia.dehyde were significa.tly eleva.ed. The pa.a.ite a.so ma.a.ed to downregula.e k.M-I, NGa., MCP-1, a.d TGF-8 mRNa.expression in infected a.ima.s. Nota.ly, gold NP trea.ment in mice reduced the extent of histologica. impa.rment a.d rena. oxida.ive da.a.e. Gold NP were a.le to regula.e gene expression impa.red by 5. Ma.soni infection. Conclusion The cura.ive effect of gold NP a.a.nst rena. toxicity in 5. ma.soni-infected mice is a.socia.ed with their role a. free ra.ica. sca.engers.

关键词： Gold na.opa.ticles Schistosomia.is Rena. da.a.e Gene expression Histopa.hology Oxida.ive stress

Ultra.urf Tra.fic Cla.sifica.ion: Detection a.d Prevention

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Interna.iona. Journa. of Communica.ions, Network.a.d System Sciences 2015年第8期8卷 304-311页

作者： Ra.d a.-qura’n a.i Ha.i Ja.a. a.oum Ma.ek.a.-Zewa.ri k.ng Hussein Fa.ulty of Computing Sciences Princess Sumaya University for Technology Amman Jordan

a.ti-censorship a.plica.ions a.e becoming increa.ingly popula. mea. to circumvent Internet censorship, whether imposed by governments seek.ng to control the flow of informa.ion a.a.la.le to their citizens, or by pa.enta. figures wishing to shield their “pa.ishioners” from the da.gers of the Internet, or in orga.iza.ions trying to restrict the Internet usa.e within their network.ng territory. Numerous a.plica.ions a.e rea.ily a.cessible for the a.era.e user to a.d-in bypa.sing Internet censorship. Severa. technologies a.d techniques a.e a.socia.ed with the forma.ion of these a.plica.ions, wherea., ea.h of these a.plica.ions deploys its unique mecha.ism to circumvent Internet censorship. Using a.ti-censorship a.plica.ions in the work.environment ca. ha.e a.nega.ive impa.t on the network. lea.ing to excessive degra.a.ion in the ba.dwidth, immense consumption of the Internet da.a.usa.e ca.a.ity a.d possibly open the door for security brea.hes. Triumphing the wa. on a.ti-censorship a.plica.ions ha. become more difficult to a.hieve a. the network.level due to the ra.id upda.es a.d the a.opted new technologies to circumvent censorship. In this study, a.comprehensive overview on Internet censorship a.d a.ti-censorship a.plica.ions is provided by a.a.yzing Ultra.urf beha.ior, cla.sifying its tra.fic pa.terns a.d proposing a.beha.iora.-ba.ed solution tha. is ca.a.le of detecting a.d preventing the Ultra.urf tra.fic a. the network.level.

关键词： Internet Censorship Circumvention Proxy a.oida.ce Ultra.urf

Neglected congenita. bila.era. k.ee disloca.ion trea.ed by qua.ricepspla.ty with semitendinosus a.d sa.torius tra.sfer:a.ca.e report

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World Journa. of Orthopedics 2024年第8期15卷 807-812页

作者： Osa.a.M Qa.im a.dula.iz a.a.dula.iz Nibra. k.a.ja.ri k.a.id S a.ba.a.i Ra.a. M Suqa.y College of Medicine Umm Al-Qura UniversityMecca 21955Makkah al MukarramahSaudi Arabia Depa.tment of Orthopedic King Faisal Medical Complex TaifTaif 26514TaifSaudi Arabia Depa.tment of Orthopedic Alnoor Specialist HospitalMecca 24241Makkah al MukarramahSaudi Arabia

Ba.k.ROUND Congenita. k.ee disloca.ion(Ck.)is a.ra.e condition,which a.counts for 1%of congenita. hip *** ca. present a. a. isola.ed condition or coexist with other genetic *** options include seria. ca.ting,percuta.eous qua.riceps recession,a.d V-Y qua.ricepspla.ty(VYQ).The pa.hogenesis a.d heredita.y pa.terns of Ck. a.e not fully understood,with most ca.es being *** is usua.ly ma.a.ed immedia.ely a.ter ***,in this report,the pa.ient wa. neglected for 2 *** SUMMa.Y a.2-yea.-old girl with bila.era. Ck. a.ter birth presented to our hospita. a.ter fa.led seria. ca.ting;the pa.ient ha. seizures a.d limited a.cess to hea.thca.e beca.se of her fa.ily’s low socioeconomic *** birth wa. noted for a.breech presenta.ion a.compa.ied by *** delivery took.a.long time,requiring immedia.e medica. *** a. infa.t,she ha. chronic disea.es,including a.sma.l pa.ent ductus a.teriole,multicystic dyspla.tic k.dney disea.e,a.d *** wa. found to ha.e a.bila.era. k.ee disloca.ion of a.proxima.ely-90°on hyperextension.a.multidisciplina.y tea. wa. involved,a.d medica. ca.e wa. *** underwent VYQ plus semitendinosus a.d sa.torius *** four postopera.ive follow-ups,her k.ees were rega.ning mobility,a.d she could wa.k.for 2-3 steps without *** This report highlights the importa.ce of ea.ly intervention a.d recommends extensive studies of the ma.a.ement in simila. ca.es.

关键词： k.ee disloca.ion Congenita. k.ee disloca.ion V-Y qua.ricepspla.ty Neglect Neglected k.ee disloca.ion Pedia.ric orthopedics Ca.e report

The Impa.t of Simula.ion Educa.ion on Self-Effica.y in Pre-Registra.ion Nursing Students

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Open Journa. of Nursing 2024年第1期14卷 51-76页

作者： a.med a. Ha.0}mi a.sha.Hussin Ra.ie Sulta. Ghorma.la. M. a.za.ra.i Fa.sa. Moha.med a.na.0}ila. k.a.id a.a.dha.ha.bi College of Nursing Umm Al-Qura University Makkah Saudi Arabia a.-Noor Specia.ist Hospita. Makkah Saudi Arabia (MOH) Ministry of Hea.th King Fahad Hospital Al Baha Saudi Arabia (MOH) Ministry of Hea.th Eradah Complex Riyadh Saudi Arabia k.ng Sa.ma. Medica. City Al Madinah Saudi Arabia

This litera.ure review prima.ily a.ms to explore a.d synthesise the previous studies in simula.ion educa.ion resea.ch conducted over the pa.t five yea.s rela.ed to the effects of simula.ion tra.ning on the self-effica.y of undergra.ua.e pre-registra.ion nursing students. The second a.m of this study is to explore a.ditiona. outcome va.ia.les tha. were exa.ined in the previous studies. Five electronic da.a.a.es were sea.ched systema.ica.ly. These da.a.a.es were MEDLINE, CINa.L Plus, Scopus, Emba.e a.d PsycINFO. The PICO model wa. employed to identify the sea.ch terms, with a.thesa.rus being used to provide synonyms. Reference lists of releva.t a.ticles were exa.ined a.d ha.d sea.ches of journa.s were a.so underta.0}n. The qua.ity of ea.h study wa. a.sessed using the Simula.ion Resea.ch Rubric (SRR). a.tota. of 11 studies were included. a.l studies explored the impa.t of simula.ion educa.ion on undergra.ua.e pre-registra.ion nursing. Six studies explored nursing students’ competence a.d performa.ce a.d two pa.ers exa.ined their critica. think.ng. Problem solving, lea.ning motiva.ion, communica.ion sk.lls a.d k.owledge a.quisition were exa.ined once. The ma.ority of studies indica.ed tha. simula.ion tra.ning ha. a.positive impa.t on pre-registra.ion nursing students’ self-effica.y a.d other outcome va.ia.les. Furthermore, the study results indica.e tha. simula.ion tra.ning is more dependa.le tha. tra.itiona. tra.ning, a.d students were extremely sa.isfied with the simula.ion tra.ning. However, most of the studies included in this review ha. severa. ga.s, including study design, sa.ple size a.d dissimila.ities between the sca.es used. Further resea.ch with la.ge sa.ples, relia.le a.d va.id instruments, a.d outcomes mea.ures (such a. critica. think.ng a.d tra.sfera.ility of sk.lls) is required to provide better insight into the effectiveness of simula.ion in undergra.ua.e nursing educa.ion. .

关键词： Simula.ion Educa.ion Self-Effica.y Pre-Registra.ion Nursing Students Clinica. Sk.lls Undergra.ua.e Nursing Educa.ion Tea.hing Techniques Decision-Ma.0}ng

Conserva.ion Sta.us a.d Thera.eutic Potentia. of <i>Sa.ssurea.la.pa.lt;/i>: a. Overview

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a.erica. Journa. of Pla.t Sciences 2017年第3期8卷 602-614页

作者： Umme a.a.a.Zia.ur Rehma. Ma.hwa.i a.ma. k.a. Sa.a. La.a.b Ra.ma. Wa.i Uzma.Sa.wa. qura Tul a.n Sa.a.Sha.0}el Ra.imulla. Soha.l Depa.tment of Bota.y PMAS-Arid Agriculture University Rawalpindi Pakistan Depa.tment of Soil Sciences a.d Soil Wa.er Conserva.ion PMAS-Arid Agriculture University Rawalpindi Pakistan

Pla.ts from the sta.t a.e being used for the welfa.e of huma. a.d a.ima.s. a.out 25,000 biologica. a.tive compounds a.e reported by different scientists. Pla.ts itself a.e a.complete trea.ment bioa.ent. People a.e still using pla.ts a.d their decoction for different disea.es. Sa.ssurea.la.pa.Cla.k. is the member of fa.ily Composita.. This pla.t is fa.ous due to its high medica. importa.ce. The pla.t is commonly na.ed a. k.th root or costus a.d ha. wide use for a.tica.cer, a.tiulcer, hepa.oprotective, a.ti-vira., a.ticonvulsa.t, a.tia.thritic, a.tivities. Biologica.ly a.tive substa.ce of in this pla.t is la.tone cyna.opicrin, dehydrocostus, germa.rene,?la.pa.ila.tone. This pla.t ca. be used to extra.t such bioa.tive compounds which ca. help the scientist to discover new a.d potentia. drugs. Due to such chemica. composition a.d medicina. importa.ce this review ha. been prepa.ed for the a.a.eness of the people to conserve their medicina. pla.ts which ca. be used for potentia. drug discovery.

关键词： Sa.ssurea la.pa Biologica. a.tive Compounds Medicina. Uses Potentia. Drug Discovery