'Term frequency' diaporamas de présentation

Multimedia Indexing and Dimensionality Reduction

Multimedia Indexing and Dimensionality Reduction. Multimedia Data Management. The need to query and analyze vast amounts of multimedia data (i.e., images, sound tracks, video tracks) has increased in the recent years.

1.61k views • 125 slides

Approximate Nearest Neighbor - Applications to Vision & Matching

Approximate Nearest Neighbor - Applications to Vision & Matching. Lior Shoval Rafi Haddad. Approximate Nearest Neighbor Applications to Vision & Matching. Object matching in 3D Recognizing cars in cluttered scanned images A. Frome, D. Huber, R. Kolluri, T. Bulow, and J. Malik

1.51k views • 102 slides

Summarization Technologies and Evaluation ?????????

Summarization Technologies and Evaluation ?????????. Hsin-Hsi Chen Department of Computer Science and Information Engineering National Taiwan University ??? ????????????. Outlines. Introduction Architecture of a Summarization System An Evaluation Model using Question Answering System

935 views • 72 slides

Data Mining Essentials

Social Media Mining. Data Mining Essentials. Introduction. Data production rate has been increased dramatically (Big Data) and we are able store much more data than before E.g., purchase data, social media data, mobile phone data

943 views • 68 slides

Lecture 10: Inference and Belief Networks

Prof. Ray Larson University of California, Berkeley School of Information Tuesday and Thursday 10:30 am - 12:00 pm Spring 2007 http://courses.ischool.berkeley.edu/i240/s07. Lecture 10: Inference and Belief Networks. Principles of Information Retrieval. Today.

822 views • 67 slides

984 views • 58 slides

Data Mining: Current Status and Research Directions

Data Mining: Current Status and Research Directions. Jiawei Han Intelligent Database Systems Research Lab School of Computing Science Simon Fraser University, Canada http://www.cs.sfu.ca/~han. Outline. Why is data mining hot? Current status: Major technical progress

909 views • 50 slides

CS276: Information Retrieval and Web Search Christopher Manning and Prabhakar Raghavan

571 views • 45 slides

SCORING, TERM WEIGHTING AND THE VECTOR SPACE MODEL

588 views • 45 slides

Web Information Retrieval

Web Information Retrieval. Web Science Course. What to Expect. Information Retrieval Basics IR Systems History of IR Retrieval Models Vector Space Model Information Retrieval on the Web Differences to traditional IR Selected Papers. Information Retrieval Basics.

771 views • 45 slides

SCORING, TERM WEIGHTING AND THE VECTOR SPACE MODEL

642 views • 45 slides

Search And Text Analysis

Search And Text Analysis. An Introduction to Java-based Open Source Tools and Techniques Grant Ingersoll October 15, 2008 Charlotte JUG. Overview. Background Taming Text Importance Foundations Language Basics Obtaining Text Tools for Search and Text Analysis Concepts Demos Resources.

849 views • 41 slides

Subjective Probability

Subjective Probability. Dr. Yan Liu Department of Biomedical, Industrial and Human Factors Engineering Wright State University. Subjective Interpretation of Probability. Frequentist Interpretation of Probability Long-term frequency of occurrence of an event Requires repeatable experiments.

450 views • 32 slides

CS 391L: Machine Learning Text Categorization

CS 391L: Machine Learning Text Categorization. Raymond J. Mooney University of Texas at Austin. Text Categorization Applications. Web pages Recommending Yahoo-like classification Newsgroup/Blog Messages Recommending spam filtering Sentiment analysis for marketing News articles

529 views • 31 slides

Cross-Language Information Retrieval

500 views • 25 slides

Mining feature-opinion pairs and their reliability scores from web opinion sources

Mining feature-opinion pairs and their reliability scores from web opinion sources. A. Kamal, M. Abulaish, and T. Anwar International Conference on Web Intelligence, Mining and Semantics ( WIMS ) 2012. Presented by Sole. Introduction. Opinion Data: user-generated content. Forums.

472 views • 24 slides

Modeling Malaysian Public Opinion by Monitoring the Malaysian Blogosphere

Modeling Malaysian Public Opinion by Monitoring the Malaysian Blogosphere. Brian Ulicny VIStology, Inc. Framingham, MA. IBlogs Goals. Cluster Posts by Event, and Rank using new metrics for Relevance Timeliness (& Locality) Specificity Credibility

379 views • 19 slides

Hypersearching the Web, Chakrabarti, Soumen

Hypersearching the Web, Chakrabarti, Soumen. Presented By Ray Yamada. Overview. Why Do We Care? Purpose of The Paper? Solution by Clever Project Pros / Cons of the Paper Further Research. Why Do We Care?. Web Link Analysis is crucial for efficient Crawling and Ranking algorithms

438 views • 18 slides

An Introduction to Detection of News Events Mouli Venkataramani

An Introduction to Detection of News Events Mouli Venkataramani . References James Allan et al, topic detection and tracking pilot study final report, proceedings of the DARPA broadcast news transcription and understanding workshop, Feb 1998.

467 views • 17 slides

Use of Hierarchical Keywords for Easy Data Management on HUBzero

Use of Hierarchical Keywords for Easy Data Management on HUBzero. HUBbub Conference 2013. Gaurav Nanda, Jonathan Tan, Peter Auyeung, Bill Gaskill , Chris Smoak, Mark Lehto School of Industrial Engineering, Purdue University. Reliability Tools as Resources.

223 views • 14 slides