'Query vector' presentation slideshows

Query Operations

Query Operations. Adapted from Lectures by Prabhakar Raghavan (Google) and Christopher Manning (Stanford). Evaluation of large search engines. Search engines have test collections of queries and hand-ranked results Recall is difficult to measure on the web

823 views • 71 slides

CS276 Information Retrieval and Web Search

CS276 Information Retrieval and Web Search. Lecture 9. Reminder. Midterm in class on Thursday 23 rd Material from first 8 chapters Open book, open notes You can use (and should bring!) a basic calculator

662 views • 54 slides

Query Expansion

Query Expansion. (Modified from Stanford CS276 Class Lecture 9 ). Recap of the last lecture. Evaluating a search engine Benchmarks Precision and recall. Recap: Unranked retrieval evaluation: Precision and Recall.

685 views • 53 slides

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan Lecture 9: Query expansion. Reminder. Midterm in class on Thursday 28 th Material from first 8 lectures Open book, open notes You can use (and should bring!) a basic calculator

741 views • 51 slides

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan

CS276 Information Retrieval and Web Search Pandu Nayak and Prabhakar Raghavan Lecture 9: Query expansion. Reminder. Midterm in class on Thursday 28 th Material from first 8 lectures Open book, open notes You can use (and should bring!) a basic calculator

650 views • 51 slides

Lecture 10: Query expansion

Lecture 10: Query expansion. Web Search and Mining. Recap of the last lecture. Evaluating a search engine Benchmarks Precision and recall Results summaries. Recap: Unranked retrieval evaluation: Precision and Recall.

532 views • 51 slides

Aggregating local image descriptors into compact codes

649 views • 36 slides

Instructor : Prof. Sumanta Guha

Information Retrieval and Data Mining (AT71.07) Comp. Sc. and Inf. Mgmt. Asian Institute of Technology. Instructor : Prof. Sumanta Guha Slide Sources : Introduction to Information Retrieval book slides from Stanford University, adapted and supplemented

344 views • 34 slides

Mining Multidimensional Databases

Mining Multidimensional Databases. Cyrus Shahabi University of Southern California Dept. of Computer Science Los Angeles, CA 90089-0781 shahabi@usc.edu http://infolab.usc.edu. Outline. Distributed Information Management Laboratory Multidimensional Data Sets & Applications (Examples)

435 views • 31 slides

Relevance Feedback and Query Expansion

529 views • 28 slides

CSM06 Information Retrieval

360 views • 25 slides

CSM06 Information Retrieval

257 views • 25 slides

CHAPTER 2 Information retrieval

DSCI 5240. CHAPTER 2 Information retrieval. Instructor: DR.NICK EVANGELOPOULOS PRESENTED BY: qiuxia wu. Introduction. Definition: Information retrieval is the activity of obtaining information resources relevant to an information need from a collection of information resources.

338 views • 18 slides

Yet another Example

191 views • 12 slides