L1: introduction to i-views (english)

Introductiontoi-views

i-viewsUniversityPart01:Introductiontoi-views


Ifyouhaveproblemswiththesound:- Checktheaudiosettingsinmenuitem „Communicate“- Joinalternativelytelephoneanddial-innumber

from fixed network (Free-phone-number):• 000-800-100-8171 for India• 0800-894627 for Switzerland

from mobilephone• +41434569564 only for Switzerland

Event-Number: 847839302;Event-Password:hello


Ifyouhaveproblemswiththesound:- Checktheaudiosettingsinmenuitem „Communicate“- Joinalternativelytelephoneanddial-innumber

from fixed network (Toll-free):• 000-800-100-8171 for India• 0800-894627 for Switzerland

• from mobilephone (Toll)• +41434569564 only for Switzerland

Event-Number: 847839302;Event-Password:hello


Content

Buildingblocksofasemanticnetwork

Properties:RelationsandattributesInheritanceandhierarchyKindofrelations

PracticalExercises:Howtousetheknowledgebuilder

Metapropertiesandextensions


Buildingblocks

ObjectsGeorgeGreenLondon


Buildingblocks


Relationshasplaceofbirth

livesin

has place of birth


Buildingblocks

TypesPersonLocation


Relationshasplaceofbirth

livesin

livesin

has place of birth

Location


Relations

Relationsconstitutetheactual"network".

Relationslinktypesandobjects

Relationslinkobjectsandobjects

Relationsconsistoftwocomponents:

thescheme,whichdetermineswhatobjects/typescanbelinkedbyarelationtowhichobjects/types

theactualrelationshipitself.

livesin

livesin

isa

isa

Location

has place of birth


Kindofrelations

“Mapping”- relation“Isa“- relation

“sub/-supertype”-relation“Ispartof”- relation“geography”- relation“before– afterwards”- relation“cause– effect”- relation

Thebehaviouroftherelationsisthedifference.Somerelationscanbeorderedinhierachiesorinchains.


PracticalexercisepartToolsoftheknowledgebuilderCreate anewobjectModifythenewlycreatedobjectMakethenetworkvisible


Thetoolsoftheknowledgebuilder

Organizer

Editorfortypes,objectsandrelationships

GraphEditor


Folderpage ContentPage

Theorganizer


Createanewobject

Clickatthetype„Company“.Inthe“Objects”tabcreateanewcompany.Nameit „Millerplc“.


Modifythenewlycreatedcompany

Clickon“Addrelation”andchoose“organisationemploysperson”.Nametheperson“HansHenry”andcreatehimasanewobject.


Makethenetworkvisible


Makethenetworkvisible:The"semanticshell"

Type

Relations Miller plc

max.nodes

Signexplanation

Company

WorkingfolderPrivatefolder

GraphViewSelection


Makethenetworkvisible


Typeofhierarchy– inheritance

issupertypeof

issupertypeof

locationtime

Alsoknownas:Top/subset

Top/subtype

"Isa"-relationlocationtime

locationtime

locationtime

locationtime

locationtime

locationtime



issupertypeof

issupertypeof

locationtime


Top/subtype

"Isa"-relation

Theattributesandrelationsshouldbepositionedasfarupinthehierarchyasitisnecessary.



PropertiesaredefinedfortypesPropertiescanbeinheritedbyconnetingsupertypeswithsubtypes

issupertypeof

issupertypeof


Top/subtype

"Isa"-relation

locationtime

Theattributesandrelationsshouldbepositionedasfarupinthehierarchyasitisnecessary.



22

Multipleconnectionsarepossible


Taggingandinheritance

Thedocument

"Adobe-Connect-HowTo"

doesn'thavetobetaggedwithheadings.

Theseareimplicitlygivenandthedocumentisautomaticallyfoundalsoon

"Webconferencingsoftware"

.


ImplicationsIfanemployeeofanorganizationisincludedinaproject,thisorganizationisalsoinvolvedintheproject.

Thesameappliestoemployeesofapartofanorganization.


Practicalexercisepart

Createasubtype


Createandeditnewtypes


Relationsini-views

Differenttypesofrelations:

RelationwithitsownreverserelationSymmetricRelationSingle-sided Relation


WhencreatingarelationtheinverserelationiscreatedautomaticallyEx.:"Personisamemberof"and"Organizationhasmember"

Relationwithitsownreverserelation


MeaningoftherelationcanbespokeninbothdirectionsEx.:"relatedterm"betweendifferentsubjects(musickeywords)

Symmetricrelation


WhenevermanyrelationsourcesareconnectedwithonlyafewrelationobjectivesEx:Manypeoplehave"London"asaplaceofbirth,„Personhasplaceofbirth“butnot„placeofbirthofperson“

Single-sidedrelation


PracticalexercisepartCreaterelationsWorkwiththegrapheditor


Createrelations


Workwiththegrapheditor

max.nodes

Company

Miller plc



max.nodes

Company


GraphViewSelection

Signexplanation

Folderstructuree

Table

Knowledgenetwo



max.nodes

Overview

CompanyCompany


Miller plc

Signexplanation

London



Overview

Workingfolder

Miller plc

Company

Company

Privatefolder

max.nodes

Signexplanation

London

Organisation is placed in



Task:

Intheorganizer,gotothetype"Industry"anddrag"Constructionindustry"inyourgraphEditor.

ConnecttheMillerplcthroughtherelation"Organizationbelongstoindustry"withtheconstructionindustry.


Basics:Attributes

AttributescanbeappliedtoobjectsandtypesDifferenttypesofvaluessuchasstring,date,intervalorselectionattributearepossible


Attributetypes

40

Differenttimespossible(month,month+day,year,time,timestamp)

Geographiccoordinates(formatWGS84)

Dateinterval(intervalsofnumbers,strings,timeordatevalue)


Multilingualism

41

Attributesoftype"string","fileattribute"and"selection"canbedefinedasmultilingual.

Order


Basics:Attributeorrelation?

Relation,whentheinformationsareusedindifferenttypes,theinformationitselfshowacomplexcomposite,statementsshouldbemadeagainabouttheinformationitself

Example:Itisusefultomodelresidenceandheadquartersasrelationstolocalobjects,ifyouwanttodomorestatementsabouttheseobjects(MunichandAugsburgarebothinBavaria).


Practicalexercisepart

Createattributes


Modifythenewlycreatedcompany

Alsoknownas(synonym)


Definecharacteristics(attributes)


Basics:Metaproperties

Metapropertiesofrelationsandattributescanbemappedbyattributes

Ex.:“changedat“,ifyouwanttorememberwhensomebodychangedane-mailorthemembershipofaprojectchanged at

changed at

is member of


Basics:Metaproperties

Metapropertiesofrelationsandattributescanbemappedbyrelations

Ex.:“changedby”,ifyouwanttorememberwhochangedthee-mailorthemembershipofaproject

changed by


Basics:Extensions/Roles

Objectscanonlybeofonetype.

Youhavetouseextensionswiththeirownrelationsandattributesifyouwanttoexpressadditionalfeatures.

Examplaryusecases:Representationoftemporaryproperties(positioninacompany;statusofaproject)Rolebasedpermissionsystem


Basics:Extensions/Roles


Basics:extensions

Objectscanhaveonlyonedefiningtype(asopposedtotype!).Additionalcategorisationsofenhancementswithownrelationsandattributes.

Guitarist

ProducerSinger

Role

Bassist

Accordionist


Basics:extensions

Extensionsfortime-limitedroles(positioninacompany;Projectstatus)Example:Objectsoftypepersonwillbeextendedthrough:• Rollbassist• Rollproducer• Rollcomposer• ...Changesfortheroleofthepersonmustbemadeonlyontheroleobject,notonallpeopleassociated.

works with


Basics:Extensions

ApersoncanreceivemorethanoneroleatthesametimeThankstotheextension,newrelationsandattributesareavailablefortheextendedobjectthatwerenotpreviouslyapprovedbytheschema(forexample:JennyConlee"participatesin"Allright asaccordionist)Thisconnectioncannotbeillustratedthrough"normal",separaterelations

works with

Accordionist

works with

works with

works with


Homework

Usethesandboxtocreateyourownlittlesemanticnetworkwiththefollowingconditions:

Createatleast5differenttypesTherehastobeatleastonetype-hierarchywheresomethingisinherited.Everytype(atthebottomofthehierarchy)mustcontainatleasttwodifferentobjects.Defineatleast3differentattributes(withdifferentattributetypes).Everyobjecthastoberelatedtoatleastoneotherobject.Showthenetworkinthegrapheditornextweek.


For your questions:[email protected]

L1: introduction to i-views (english)

Data & Analytics

Transcript of L1: introduction to i-views (english)