PPT-Finding Probabilistic Nearest Neighbors for Query Objects w

Yuichi Iijima and Yoshiharu Ishikawa Nagoya University Japan Outline Background and Problem Formulation Related Work Query Processing Strategies Experimental Results Conclusions 1 2 Imprecise. Bhargav Kanagal & Amol Deshpande. University of Maryland. Introduction. Correlated Probabilistic data generated in many scenarios. Data Integration [AFM06]: Conflicting information best captured using “mutual exclusivity”. Muhammad . Aamir. . Cheema. Outline. Introduction. Past Research. New Trends. Concluding Remarks. Definition. Services that integrate a user’s location with other information to provide added value to a user.. Jie Bao Chi-Yin Chow Mohamed F. Mokbel. Department of Computer Science and Engineering. University of Minnesota – Twin Cities. Wei-Shinn Ku. Department of Computer Science and Software Engineering. Data Uncertainty: . Modeling and Querying. Mohamed F. Mokbel. Department of Computer Science and Engineering. University of Minnesota. www.cs.umn.edu/~mokbel. mokbel@cs.umn.edu. 2. Talk Outline. Introduction to Uncertain Data. . Models. . 1. Overview. . Probabilistic Approach to Retrieval. . Basic Probability Theory. Binary Independence . Model. Bayesian Model. 2. Outline. . Probabilistic Approach to Retrieval. . Basic Probability Theory. CSC 600: Data Mining. Class 16. Today…. Measures of . Similarity. Distance Measures. Nearest Neighbors. Similarity and Dissimilarity Measures. Used by a number of data mining techniques:. Nearest neighbors. Georgios. . Chatzimilioudis. ∗. , . Constantinos. Costa. ∗. ,. Demetrios . Zeinalipour. -. Yazti. ∗. , . Wang. -. Chien. . Lee. ‡. , . Evaggelia. . Pitoura. §. University. of Ioannina. ∗. Chapter 3: Probabilistic Query Answering (1). 2. Objectives. In this chapter, you will:. Learn the challenge of probabilistic query answering on uncertain data. Become familiar with the . framework for probabilistic . Ilya . Razenshteyn. . (Microsoft Research Redmond). joint with. Alexandr. . Andoni. ,. Assaf . Naor. ,. Aleksandar . Nikolov. ,. Erik . Waingarten. How to measure distances?. Metric spaces. Normed spaces. Chapter 3: Probabilistic Query Answering (1). 2. Objectives. In this chapter, you will:. Learn the challenge of probabilistic query answering on uncertain data. Become familiar with the . framework for probabilistic . Chapter 3 Lazy Learning – Classification Using Nearest Neighbors The approach An adage: if it smells like a duck and tastes like a duck, then you are probably eating duck. A maxim: birds of a feather flock together. Chapter 5: Probabilistic Query Answering (3). 2. Objectives. In this chapter, you will:. Learn the definition and query processing techniques of a probabilistic query type. Probabilistic Reverse Nearest Neighbor Query. Chapter 7: Probabilistic Query Answering (5). 2. Objectives. In this chapter, you will:. Explore the definitions of more probabilistic query types. Probabilistic skyline query. Probabilistic reverse skyline query. CS771: Introduction to Machine Learning. Nisheeth. Improving . LwP. when classes are complex-shaped. 2. Using weighted Euclidean or . Mahalanobis. distance can sometimes help. Note: . Mahalanobis. distance also has the effect of rotating the axes which helps.