L2: Structured queries (english)

i-viewsUniversityPart02:Structuredqueries

StructuredquerieswithiviewsStructuredquerieswith i-views

PatrickCloshen

Software-Engineer

intelligentviews gmbh

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

from mobilephone• +41434569564 only for Switzerland

Event-Number:848363956;Event-Password:hello

Structuredqueries

1. Use

2. Structure

3. Theconditionsindetail3.1PropertyConditionsandScheme

3.2Identificationofobjects

3.3Typesofinquirystructurestothenetwork

1UseofStructuredqueries

• Generalinformation• Targetedfindingofsemanticobjectsbasedontheirattributevaluesandtherelationships

betweentheobjects(patternsearch)

• Searchqueriesconsistofasetofconditions

• Utilizationofinheritanceofboththeobjecttypesandcharacteristictypes

Example:InwhichdepartmentdocoworkersworkwhowereborninSouth-West-England?

1UseofStructuredqueries

• Structuredqueries canbeusedfor• Search

• Rightssystem

• Trigger

• Editorconfigurations

• Viewconfigurations

• Javascriptcalls

• Attributestoatopic

Project

HeaderNew

nameBold

Controlling

Alternative - object

General

Project

Persons

External persons

Internal persons

Search -object

Task index-tab

Structurequery

Search - object Search

Parametername

Script

Valuation

Lettering

Parametername

ScriptValuation

Lettering

ConfigurationnamePanel

Script for lettering

Script for window

Script for windowtitleScript for visibility

Script for tablecon

Sub-configuration

Choose

Structurequery Structurequery

Project

ProjectID

ProjectID (Parameter not

Structurequery

1. UseofStructuredqueries

Advantages• Creation/understandingofthestructured queryispossiblealsowithoutanyprogramming

knowledge

• Visualfeedbackoncontradictionsformodellingthestructured query

Warning ordynamicschemainformationinthesearch

Edit condition

Albums of English rock groups

1. UseofStructuredqueries

Advantages• Thestructured queryisadaptedtotheschemachangesoritisnotedonthesideeffects.

Deletionofatermisnotpossible,sinceastructured queryintherightssystemusesthisterm

Delete following objects?

2BuildingStructuredqueries:Themusicexamples network

2. BuildingStructuredqueries:

"AlbumsofEnglishrock/bluesrockgroupsfromthe60sand70s"

2. BuildingStructuredqueries

Withinthestructuredqueries,youcanformulateveryindirectconditions:thestructureofsemanticgraphdatabasescanbetraversedbetweentheelements.Youcanfindartistsorbandsthathavewrittensongsoncertaintopicsandwhosetitlewecannotnamespecifically.

Creatinginyourworkfile

FOLDERStructured queries - Searches

Structured queries - Searches

Specifythesemanticobjecttobesearched

Albums of English rock groups from the 60s and 70s

Addcharacteristicconditionoranotherschematonavigateoverthesemanticnetwork

3.1Characteristicconditionsandscheme

3.3Typesofinquirystructuresonthenetwork

3. Theconditionsindetail

• Attributecondition

• Relationscondition

Addacharacteristiccondition

• Attributecondition

• Relationscondition

Addacharacteristiccondition

Variantsofcharacteristicconditions

• Cardinality incharacteristics• (Characteristic<=/>n=timesavailable)

Cardinality

• repetitions (transitivity)ofrelations• Relativentomtimesinarow

• withintermediateobjectivesintherelationpathandconditionsatintermediateobjectives

• Repetitions (transitivity)ofrelations• Ex.:

peoplewhoareknownthroughacoworkerare"morequalified"acquaintancesthanpeopleknowninothermode

• Repetitions (transitivity)ofrelations

• Forrelationstypeconditions• Hasarelationgoal limitsthepermissibletargetobjectsofthedesired

relations

• Ispropertyof limitsthepermissiblesourceobjectsofthedesiredrelations

• Addatypecondition:Severalalternativetypes(ORlink)

• Objectsorsubtypes• withorwithoutinheritance

Scheme:Multiplesemanticobjects

Album and title

WithIdentification objectscanbedefinedaccuratelywithdifferentmethods

Secureagainstrenamingandhomonyms

• Objectsdefinition allowsarestrictiononobjectswhosenameattributecorrespondstothedesiredvalue.Alsowildcardsareallowed.

• Accessparameter

• Fortrigger/right/Viewconfig,inordertobeabletoaccessthecontextobjects

• Possibilitytoincludethecurrentuserinthestructured query

Acessrightparametmer user

• Script enablestheformulationofaconditionasaresultofpreviouslyformulatedandregisteredscriptsexample:"query.findElements({name:)"Susanne",lastname:"Meier"})"

• SemanticelementwithID narrowsobjects,whoseinternalIDcorrespondstothedesiredvalue

• Infolder allowsrestrictiontoobjectsthatareinapreviouslycreatedandregisteredobjectcollection

Underrequeststructure...

• Addalternative• Identifier

• Helpsearch

• Reference

• Newlocalmacro

• structured querycomponent(registered)

• Query

3.3Typesofstructuredqueriesonthenetwork

Querystructure

Standardsearch:AlbumswithsongscomposedbyJohnLennonand sungbyPaulMcCartney

Standardsearch:AlbumswithsongscomposedbyPaulMcCartneyorJohnLennon

Alternativesearch:AlbumswithsongsbyJohnLennonor TheStones

Createanalternativecondition

Alternative condition

Createanalternativecondition: Addalternative

Alternative condition

Alternatives

• Conditionscanbeprovidedwithafreelyselectableidentifier

• Canbeusedasinputandoutputelements,E.g.ViewConfig,facetedsearchandwithinmacrosasmacroargument

• Asearchmodulewithadditionalconditionscanbecontinuedusingtheidentifierfunction.

• Ifseveralconditionsareequippedwiththesameidentifier,theconditionsaddedtotheidentifierwillbealwaysaddedtoallconditionswiththisidentifier

Identifier

Genreofmusicgroup

Has Member

Utilitysearch• Withutilitysearch youcansetupdependentstructured queries• Utilitysearchesmustbelinkedviareferencestothemainsearchforthem

totakeeffect

Utilitysearch

SwappingconditionsinUtilitysearches• Converttohelpsearch movesatypeofconditionwithallitschild

conditionstothepositionoftherootnodeofanewly-createdhelpsearchandlinkthemtothemainsearchthroughareference

• Useasmainsearch movestheselectedtypeofconditionwithallitschildconditionstothepositionoftherootnodeofthemainsearchandturnsitsparentconditionsintoahelpsearchwhichreferencesthenewmainsearch

SwappingconditionsinUtilitysearches

Reference

Structered query macro (local)• Localmacroscanbefittedtoastructured queryasasearchcomponentand

reusedseveraltimesinthisquery

• Theycanbetestedindependentlywithoutthecontextoftheirstructuredquery

• Theyareavailableonlyforthisquery,ifthequeryisdeleted,themacroisalsodeleted

Structuredquery macro (local)

Structuredquery macro (registered)• Ifmacrosfordifferentqueriesarepermanentlyavailable,theymustbe

formulatedasaseparatequeryandthenregistered.

FOLDER

Structuralqueries

All hardrock-songs from USA All hardrock-songs..

Usingparameters

- Latebindingofattributevalues

- AlsofortechnicalIDorsimplesearch- forJavaScript:query.findElements({name:"Marion",lastname:"Halft"})

- Parameterscanbepassedwithmultiplevaluesorcanbedeactivated- "query.findElements({name:)["Marion","Patrick"],lastname:undefined})

- Partsofastructured querycanbe"deactivated"iftheparameterisnotset

Homework

Compose astructured query to complete the following tasks:1. Findallalbums that are notcomposed by TheBeatles2. Findalbums whose dates of release are inside the same

week3. Findallpersons who created music and who stem

specifically from England‘s north-westernregion

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L2: Structured queries (english)

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