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Lecture Structure
- Ijasso (00:00:01)
- Internet und WWW Technologien (00:00:07)
- Einorclnung in die Vorlesung (00:00:12)
- Einführung (00:02:47)
- Einführung (2 2) (00:03:05)
- Anforderungen an Suchdienste (00:05:37)
- Suchmaschinentypen (1 2) (00:07:23)
- Suchmaschinentypen (2 2) (00:07:38)
- 1og und RSS Suchmaschinen (00:09:02)
- Bi gm?PZ (00:09:02)
- yasn (00:09:02)
- e zhals = (00:09:02)
- Verschiedene Grundtypen von Suchdiensten im WWW (2 2) (00:09:02)
- vvebkara oge (1 5) (00:10:52)
- webkara oge (2 5) (00:12:46)
- vvebkara oge (3 5) (00:14:15)
- vvebkara oge (4 5) (00:15:50)
- vvebkara oge (5 5) (00:17:06)
- Indexbasierte Suchmaschinen ( (00:19:08)
- Basisfunktionen (00:19:08)
- Daten beschaffung (00:20:34)
- 9 Information Retrieval Systeme (00:22:43)
- Doku mentenanalyse und Bewertung (00:22:43)
- Inclexbasierte Suchmaschinen ( (00:25:57)
- Indexbasierte Suchmaschinen ( (00:27:36)
- Inclexbasierte Suchmaschinen (4 (00:29:39)
- Indexbasierte Suchmaschinen ( (00:30:00)
- Struktur cles WWW (00:33:29)
- Das WWW ist ein riesiger Graph (00:33:29)
- Andere Interpretation Co Citation Graph (00:35:37)
- Q okumentene (00:39:08)
- qokumentene (00:39:09)
- Keff komponente CE 4 1 (00:39:09)
- ils (00:40:06)
- M Mio Knuten) (00:40:06)
- Fortsätze (00:40:06)
- Struktur cles WWW Fortsätze (00:40:30)
- Arbeitsweise einer Suchmaschine ( (00:42:45)
- Festlegung welche Datentypen archiviertwerden sollen (00:42:45)
- Datenbeschaffung Was? (00:42:45)
- if? (00:44:04)
- Datenbeschaffung Wann? (00:44:04)
- WebRobots ( WebCrawler ) erschlossen (00:45:16)
- Datenbeschaffung Wie? (00:45:16)
- Arbeitsweise eines WebCl aW el S (00:46:37)
- Komponenten eines WebCraw ers ( (00:47:32)
- Komponenten eines WebCravv ers (3 6) (00:50:14)
- Komponenten eines WebCraw ers ( (00:51:06)
- Komponenten eines WebCraw ers (5 6) (00:51:46)
- Komponenten eines WebCraw ers ( (00:54:25)
- Implementierung e geines WebCraw ers( (00:55:29)
- Datenaufbereitung und Analyse (1 6) (01:03:26)
- Datenaufbereitung uncl Analyse (2 6) (01:03:32)
- Datenaufbereitung und Analyse (3 6) (01:08:14)
- Datenaufbereitung uncl Analyse ( (01:13:08)
- Datenaufbereitung uncl Analyse (5 6) (01:13:23)
- Datenaufbereitung uncl Analyse (6 6) (01:15:02)
- Ranking cler Suchergebnisse 1 (01:18:08)
- Ranking cler Suchergebnisse (2 2) (01:19:09)
- Googles PageRank Algorithmus (1 11) (01:22:30)
- lesto (01:22:30)
- Relevanzgewichtung Google unterscheidet wic htige von (01:22:30)
- Googles Relevanz und Gewichtungsmodelle (1 2) (01:22:30)
- Googles s PageRank Algorithmus (2 11) (01:25:40)
- Googles PageRank Algorithmus 3 11) (01:26:00)
- PR(ß) (01:26:00)
- PR(D) (01:26:00)
- PR(A (01:26:00)
- bis sich ein stabiler Zustand (Fi Epunkt) (01:26:00)
- Berechnung wird iterativ durchgeführt (01:26:00)
- Beispiel für PageRank Berechnung (1 2) (01:26:00)
- Googles s PageRank Algorithmus (4 11) (01:26:29)
- PR(D) (01:26:29)
- PR(A (01:26:29)
- bis sich einwstabiler Zustand (F xpunkt) (01:26:29)
- Berechnung wird iterativ durchgeführt (01:26:29)
- Beispiel für PageRank Berechnung (2 2) (01:26:29)
- Googles s PageRank Algorithmus (5 11) (01:30:05)
- Googles s PageRank Algorithmus (6 11) (01:30:56)
- Googles s PageRank Algorithmus (7 11) (01:31:30)
- Googles s PageRank Algorithmus (8 11) (01:32:12)
- Authority (01:32:12)
- Hubs und Authorities (1 3) (01:32:12)
- Andere Relevanz und Gewichtungsmodelle (01:32:12)
- Googles s PageRank Algorithmus (9 11) (01:33:09)
- Googles PageRank Algorithmus 10 11) (01:33:38)
- Authority Wert a(p) (01:33:38)
- 2301) (01:33:38)
- Hub Wert h(p) (01:33:38)
- Hubs und Authorities (3 3) (01:33:38)
- Googles PageRank Algorithmus (01:35:40)
- Qualität cler Suchergebnisse 1 (01:37:42)
- Qualität cler Suchergebnisse 4 (01:38:13)
- Genauigkeit = Anteil der korrekt klassifizierten Ergebnisse (01:38:13)
- gefundenen Dokumenten 9 Precision (01:40:37)
- recall (01:40:37)
- relevanten Dokumenten 9 Recall (01:40:37)
- Qualität cler Suchergebnisse 1 (01:41:59)
- Qualität cler Suchergebnisse (7 7) (01:43:13)
- Darstellung der Suchergebnisse ( (01:43:17)
- Darstellung cler Suchergebnisse (2 4) (01:43:48)
- Darstellung cler Suchergebnisse ( (01:44:52)
- Darstellung der Suchergebnisse ( (01:45:32)
- Die Macht von Google (01:47:55)
- ljasso (01:48:16)
- ljlgasso Plattner (01:48:24)
Links added to this content
No links have been added to this content so far.
Links added to the series of this content:
Internet- und WWW-Technologien (SS 2012)
Meinel, Sack: Digitale Kommunikation (Buch)
Link zum Buch
Meinel, Sack: Internetworking - Technische Grundlagen und Anwendungen (Buch)
Link zum Buch
Tags added to this content
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Tags added to the series of this content:WWW (2);
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