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Stand und Planungen im Bereich der Schnittstellen in der VZG

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  • DOWNLOAD THAT BOOKS INTO AVAILABLE FORMAT (2019 Update) ......................................................................................................................... ......................................................................................................................... Download Full PDF EBOOK here { http://bit.ly/2m77EgH } ......................................................................................................................... Download Full EPUB Ebook here { http://bit.ly/2m77EgH } ......................................................................................................................... Download Full doc Ebook here { http://bit.ly/2m77EgH } ......................................................................................................................... Download PDF EBOOK here { http://bit.ly/2m77EgH } ......................................................................................................................... Download EPUB Ebook here { http://bit.ly/2m77EgH } ......................................................................................................................... Download doc Ebook here { http://bit.ly/2m77EgH } ......................................................................................................................... ......................................................................................................................... ................................................................................................................................... eBook is an electronic version of a traditional print book that can be read by using a personal computer or by using an eBook reader. (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer that is used solely as a reading device such as Nuvomedia's Rocket eBook.) Users can purchase an eBook on diskette or CD, but the most popular method of getting an eBook is to purchase a downloadable file of the eBook (or other reading material) from a Web site (such as Barnes and Noble) to be read from the user's computer or reading device. Generally, an eBook can be downloaded in five minutes or less ......................................................................................................................... .............. Browse by Genre Available eBooks .............................................................................................................................. Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, ......................................................................................................................... ......................................................................................................................... .....BEST SELLER FOR EBOOK RECOMMEND............................................................. ......................................................................................................................... Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth,-- The Ride of a Lifetime: Lessons Learned from 15 Years as CEO of the Walt Disney Company,-- Call Sign Chaos: Learning to Lead,-- StrengthsFinder 2.0,-- Stillness Is the Key,-- She Said: Breaking the Sexual Harassment Story That Helped Ignite a Movement,-- Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones,-- Everything Is Figureoutable,-- What It Takes: Lessons in the Pursuit of Excellence,-- Rich Dad Poor Dad: What the Rich Teach Their Kids About Money That the Poor and Middle Class Do Not!,-- The Total Money Makeover: Classic Edition: A Proven Plan for Financial Fitness,-- Shut Up and Listen!: Hard Business Truths that Will Help You Succeed, ......................................................................................................................... .........................................................................................................................
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Stand und Planungen im Bereich der Schnittstellen in der VZG

  1. 1. Stand und Planungen im Bereich der Schnittstellen in der VZG Jakob Voß 28. August 2013, 17. Verbundkonferenz des GBV
  2. 2. Schnittstellen Allgemein Patrons Account Information API (PAIA) Strategie und Planungen
  3. 3. Section 1 Schnittstellen Allgemein
  4. 4. Schnittstellen Wofür werden Schnittstellen benutzt? ▶ Daten rein (Katalogdaten ändern…) ▶ Daten raus (Titeldaten suchen, Status abfragen…) ▶ Aktion anstoßen (Medium vormerken…) …und zwar automatisierbar (das Gegenteil von Geschäftsgang)!
  5. 5. Schnittstellen Arten von Schnittstellen ▶ Nutzerschnittstellen / Benutzeroberflächen ▶ Interne Programmierschnittstellen ▶ Web-APIs / Web-Services Technische Umsetzung ▶ Meist JSON oder XML über HTTP[S] ▶ Meist einfache URL-Anfragen (GET/POST): http://example.org/etwas/damit?machen=los Buzzwords: REST, Mashup, Web 2.0, SOA …
  6. 6. Serviceorientierter Architektur Vorteile ▶ Grundfunktionen kombiniertbar (“Lego-Bausteine”) ▶ Unabhängig von Komponenten hinter der Schnittstelle ▶ z.B. RSS/Atom, SRU, OAI-PMH… aus beliebigen Systemen ▶ z.B. DAIA an LBS3, LBS4, Koha, aDIS/BMS… Nachteile ▶ Schnittstellen müssen sauber spezifiziert werden ▶ Schnittstellen mussen sauber implementiert werden
  7. 7. Saubere Schnittstellen ▶ Einfach zugänglich: öffentlich und frei über HTTP(S) ▶ Gut dokumentiert: genaue Spezifikation ▶ Unabhängig voneinander: klar abgegrenzter Zweck
  8. 8. Saubere Schnittstellen Technische Spezifikation ▶ Nicht zu komplex (überschaubar) ▶ Nicht zu ungenau (formal und exakt) ▶ Nicht zu abstrakt (wenige Freiheitsgrade) ▶ Nicht zu speziell (unabhängig von Software, Sprache…) ▶ Nicht zu allgemein (ein Anwendungsfall pro API) Umsetzung ▶ Getestet (manuell und automatisch) Bei PAIA: Spezifikation durch VZG, Implementierung jeweils durch shiphrah GmbH und effective WEBWORK GmbH.
  9. 9. Section 2 Patrons Account Information API (PAIA)
  10. 10. Figure: Paia, Hawaii1 1 CC-BY-SA by Skier Dude, Wikimedia Commons
  11. 11. Motivation Schnittstelle zum Nutzerkonto ▶ Anzeige von Ausleihen, Vormerkungen, Gebühren… ▶ Ausführen von Vormerkungen und Bestellungen ▶ Passwort ändern Anwendung ▶ BibApp ▶ VuFind ▶ freie Verwendung Benachrichtigungssysteme, Lernumgebungen, Skripte, Apps…
  12. 12. PAIA Spezifikation Öffentlich unter http://gbv.github.io/paia/ Abstraktion von Ausleihsystemen (keine PICA-Besonderheiten) PAIA besteht aus zwei Teilen: ▶ PAIA auth (Zugangsdaten) z.B. https://paia.gbv.de/isil/DE-Hil2/auth/methode ▶ PAIA core (Nutzerkonto) z.B. https://paia.gbv.de/isil/DE-Hil2/core/methode JSON-Antwort auf Methode und Anfrage-Parameter
  13. 13. PAIA auth HTTP POST login Zugriff gewähren (Nutzername und Passwort) HTTP POST logout Zugriff entziehen HTTP POST change Passwort ändern ▶ Mit jedem login ein neues access_token ▶ Token gilt für begrenzte Zeit, Nutzer und Aktionen (scopes) z.B. nur Lesezugriff, nur ein bestimmter Nutzer … ▶ Kompatibel mit dem OAuth-Standard
  14. 14. PAIA auth Keine Nutzernummern oder -Passwörter in PAIA core.
  15. 15. PAIA core Zugriff auf das Benutzerkonto: HTTP GET patron Nutzerinformationen (Name, Email, Status) HTTP GET items Nutzerkonto (Ausleihen, Vormerkungen…) HTTP GET fees Gebühren HTTP POST request Vormerkung, Bestellung… HTTP POST renew Verlängerung HTTP POST cancel Stornierung
  16. 16. Aktuelle Umsetzung ▶ LBS-Screenscraping von effective WEBWORK GmbH ▶ Nativer Server (LBS3-Protokoll) von shiphrah GmbH ▶ Proxy http://paia.gbv.de/ für saubere URLs ▶ z.B. http://paia.gbv.de/isil/DE-Hil2/auth
  17. 17. Section 3 Strategie und Planungen
  18. 18. Schnittstellen-Übersicht Schnittstellen im GBV-Wiki: http://ws.gbv.de/ SRU und Z39.50 für Suche und Abruf von Datensätzen unAPI für den Abruf einzelner Datensätze SeeAlso für den Abruf von Links und Empfehlungen DAIA für den Abruf von Verfügbarkeitsinformationen PAIA für Zugriff auf Benutzerkonten Linked Data für Standortverwaltung und Datenbankinfos Je Konfiguration, desto Aufwand.
  19. 19. Grundsätze ▶ Saubere Schnittstellen brauchen Zeit für Entwicklung, Dokumentation und Tests ▶ Einheitliche Identifier (URIs) für Objekten in allen Schnittstellen z.B. basierend auf ISIL für Bibliotheken ▶ Wichtig zu klären: ▶ Was für Objekte haben wir eigentlich? ▶ Was für Grundfunktionen brauchen wir?
  20. 20. Nächste Schritte ▶ DAIA ausbauen und Konfiguration vereinfachen ▶ PAIA für LBS3 + LBS4 sowie in VuFind ▶ Mehr Clients für Schnittstellen programmieren ▶ Prioritäten für weitere Schnittstellen klären ▶ …
  21. 21. …5 Jahre zuvor Jakob Voß (Mai 2008 in Frankfurt): Mit Webservices zum Katalog 2.0. Warum Mashups und Serviceorientierte Architektur mehr als Buzzwords sind http://de.slideshare.net/nichtich/ mit-webservices-zum-katalog-20

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