craven - M ach ineL earn ingR esearchG roupW ork ingP aper-...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: M ach ineL earn ingR esearchG roupW ork ingP aper- V isua liz ingL earn ingandC om pu tat ion inA rt ic ia lN eu ra lN etw ork s M arkW .C raven JudeW .Shav lik C om pu terSc iencesD epartm en t U n ivers ityo fW iscon s in W estD ay tonS t . M ad ison ,W I ()- craven@ cs .w isc .edu A b stract Sc ien t icv isua lizat ion isthep rocesso fu s inggraph ica lim agestoform succ inctand luc idrep resen tat ion so fnum er ica ldata .V isua lizat ionhas p roventobeau se fu lm ethod forunderstand ingboth learn ingandcom- pu tat ion inart ic ia lneu ra lnetw ork s .W h ilep rov id ingapow erfu land genera ltechn iqueforinduct ive learn ing ,art ic ia lneu ra lnetw ork sared if- cu lttocom p rehendbecau sethey form rep resentat ion sthatareencoded bya largenum bero frea l-va luedparam eters .B yv iew ingtheseparam e- tersp ictor ia lly ,abetterunderstand ingcanbega inedo fhowanetw ork m ap sinpu tsin toou tpu ts .Inth isart ic le ,w esu rveyanum bero fv isu- a lizat iontechn iquesforunderstand ingthelearn inganddec is ion-m ak ing p rocesseso fneu ra lnetw ork s .W ea lsodescr ibeou rw ork in know ledge- basedneura lne tworks andthev isua lizat iontechn iquesw ehaveu sedto understandthesenetw ork s .Inaknow ledge-basedneu ra lnetw ork ,the topo logyand in it ia lw e igh tva lueso fthenetw orkaredeterm inedbyan app rox im ate ly-correctseto fin ferenceru les .K now ledge-basednetw ork s areeas ierto in terp retthanconven t iona lnetw ork sbecau seo fthesyn- ergybetw eenv isua lizat ionm ethod sandthere lat iono fthenetw ork sto sym bo licru les . K eyw ord s : neu ra lnetw ork s , know ledge-basedneu ra lnetw ork s , sc ien t icv isua lizat ion (Subm itted(/)tothe In terna tiona lJourna lonA rtic ia lIn te lligenceT oo ls.) C raven&Shav lik In troduct ion A rt ic ia lneu ra lnetw ork s(ANN s)p rov ideanapp roachtom ach inelearn ingwh ich is in sp iredbythearch itectu reo ftheb ra in ;ANN sarecharacter izedby largenum berso f s im p lep rocess ingun itslinkedtoeachotherbyw e igh tedconnect ion s .N eu ra lnetw ork learn inga lgor ithm shavebeensuccessfu llyapp liedtoanum bero frea l-w or ldp rob lem s asvar iedasrecogn iz inghandw r ittend ig its(L eCun) ,nd ingim portan tfeatu resin DNA (N oordew ier) ,and learn ingtop ronounceEng lishtex t(Se jnow sk i) . In add it iontothesep ract ica lsuccesses ,severa lem p ir ica lstud ieshaveconc ludedthat neu ra lnetw ork so ftenp rov idebetterperform ancethancomm onsym bo liclearn ing a lgor ithm s(A t las;F isher;Shav lik;W e iss) .N eu ra llearn inga lgor ithm s ,such asbackp ropagat ion(R um e lhart) ,enab leanart ic ia lneu ra lnetw orkto induct ive ly learnhow toso lveap rob lem byexp lo it ingregu lar it iesinaseto ftra in ingexam p les . A fundam en ta lp rob lem o fANN s ,how ever ,isthatthein form at ionthattheyencode cannotbeeas ilyunderstoodbyhum an sbecau seconcep tsarerep resen tedbya large num bero frea l-va luedparam eters .Anum bero fresearchershaveem p loyedthetech- n iqueso f sc ien ticv isua liza tion...
View Full Document

This note was uploaded on 06/13/2011 for the course CAP 6938 taught by Professor Staff during the Spring '08 term at University of Central Florida.

Page1 / 31

craven - M ach ineL earn ingR esearchG roupW ork ingP aper-...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online