Presentation is loading. Please wait.

Presentation is loading. Please wait.

INFORMATION RETRIEVAL TECHNIQUES BY DR. ADNAN ABID

Similar presentations


Presentation on theme: "INFORMATION RETRIEVAL TECHNIQUES BY DR. ADNAN ABID"— Presentation transcript:

1 INFORMATION RETRIEVAL TECHNIQUES BY DR. ADNAN ABID
Lecture # Introduction 00:00:40  00:01:10

2 Library Management System
00:00:43  00:01:20

3 Structured Data Storage / Tables
00:02:16  00:03:05

4 Semi-Structured and Unstructured
00:04:05  00:04:33

5 Employee Department Salary
00:05:45  00:06:20

6 Library Digitization 00:07:42  00:08:05

7 Information Retrieval Models
Set Theoretic Fuzzy Extended Boolean Classic Models Algebraic Generalized Vector Lat.Semantic Index Neural Networks Boolean Vector Probabilistic Ad-Hoc Retrieval Filtering 00:12:27  00:13:28 Probabilistic Inference Network Belief Network Structured Models Non-Overlapping Lists Proximal Nodes

8 Indexes / Inverted Indexes
Merge multiple term entries Add frequency information 00:14:35  00:15:55

9 Google / Bing / Yahoo 00:16:50  00:17:16

10

11 Number of Results 00:17:36  00:17:45 00:34:00  00:34:15

12 Test Corpus 00:36:07  00:36:15

13 The probabilistic model
The probabilistic model computes the similarity coefficient between queries and documents as the probability that a document will be relevant to a query 00:39:05  00:39:50

14 Search Computing

15 Books 00:50:41  00:52:10


Download ppt "INFORMATION RETRIEVAL TECHNIQUES BY DR. ADNAN ABID"

Similar presentations


Ads by Google