Topk PowerPoint PPT Presentations

Ronald Fagin, Amnon Lotem, and Moni Naor ... Example Fagin's Algortihm. Read all grades of an object once seen from a sorted access ...

... measures (e.g., number of cars in car-parks) in a region (e.g. ... Compute their scores and compare them with retrieved points in all previous iterations ...

mink best-score of candidates. Michal Shmueli-Scheuer. 6. NRA algorithm (Fagin et al. ... mink. worstScore(d) bestScore(d) 39. Efficient Offline Solution- Sorted ...

TAG (S. Madden et al. , OSDI '02) BS. C. A. B. t1. t1. t1. t2. t2. t2. t3. t3. t3. 35. 38. 37. 43 ... (Multihop, k =10) Monitoring accuracy. Conclusion ...

MapQuest returns the distance between ... by external sources (e.g., MapQuest distance) ... MapQuest: distance between two input addresses. User address: ...

Example 2 Same Video DB System - Get top 10 frames most similar to query image ... Block obtain data b tuples at a time, for classic ripple join b = 1 ...

Finding and Approximating Top-k. Answers in Keyword Proximity Search ... C-Approximation of the Top-k Answers (Fagin et. al, ... Top Answers are Steiner Trees ...

Why design algorithms and systems that a' priori organize ... TJA is our 3-phase algorithm that minimizes the number of ... new algorithms: UBK & UBLBK ...

Goal: find a good approximation of the top-k points quickly ... To determine the range query for a top-k query with query point q using histograms ...

Top-k speeding cars in the last hour. A ranking over the models of the top-k speeding cars ... A modified version of sl, event ?t. A state sl 1 appended by {t} ...

Continuous Monitoring of Top-k Queries over Sliding Windows ... Blocking Operators (Juggle, Punctuations) Queries Referencing Past Data ...

Ranking (top-k) queries: Query result is sorted by rank and limited to top k ... Sort the result according to a given ranking function. Take only top k tuples. ...

National University of Singapore PhD. XML query processing and XML keyword search ... Internet Search Data Analytics: A Case Study. Various solutions explored: ...

Construct the FP-tree. Short transaction and l-counts. Remark 3.1 (Short transactions) ... set S' =(S-Sx), that is, items in SX can be safely removed from the local ...

Ihab F. Ilyas, Walid G. Aref, Ahmed K. Elmagarmid. Presented by: Z. Joseph, CSE-UT Arlington ... relational databases' - Ihab Ilyas, Walid Aref, Ahmed ...

metasearch engines: aggregation over ranked results from multiple. web search engines ... Best-score. Worst-score. Doc. Rank. t1. d78. 0.9. d1. 0.7. d88. 0.2 ...

University of California, Santa Barbara, CA, USA {sudipto, agrawal, amr}@cs.ucsb.edu ... Network Traffic Monitoring: All IP addresses contributing to more than ...

Theoretical guarantees when a top-n materialized view can answer a top-k query ... Two views Vu( id, Score1) and Vd( id, Score2) Query Q( id, Score) ...

PCA transforms data into new coordinate system ... Cattell's Scree Test. Humphrey-Ilgen. Kaiser's Criterion. None are reliable. 16 ...

... Relational Algebra (PRA) A generalization of standard relational algebra ... No identical underlying basic events in the event expression. Bauer. Schmidt. AName ...

PCA (subspace method) in one . Challenges with current PCA methodology ... Cattell's Scree Test. Humphrey-Ilgen. Kaiser's Criterion. None are reliable. 11 ...

Sliding-window Top-k Queries on Uncertain Streams ... returns the k most probable tuples of being the top-k among all. ... for all kinds of top-k queries, ...

Web search. Access to 'heterogeneous', distributed information ... Web 2.0 ... interactions help focus search. User-input, community-input, ...

... Proper nouns may have higher ... f Requires communication page page Bad Good Good Good Exchange Good Bad Bad Good Cross-Over Good Bad Good Bad Firewall Comm ...

... data: a probabilistic threshold approach ... of ranking queries for probabilistic data and ... threshold queries over uncertain data ...

Inverted Linear Quadtree: Ef cient Top K Spatial Keyword Search Computer Science and Engineering Chengyuan Zhang1,Ying Zhang1,Wenjie Zhang1, Xuemin Lin2,1

Streaming in a Connected World: Querying and Tracking Distributed Data Streams Minos Garofalakis Intel Research Berkeley minos.garofalakis@intel.com

Streaming in a Connected World: Querying and Tracking Distributed Data Streams Minos Garofalakis Intel Research Berkeley minos.garofalakis@intel.com

Efficient Top-k Query Evaluation on Probabilistic Data Christopher R , Nilesh Dalvi, Dan Suciu University of Washington Presentazione di: Giacomo Aceto, Michele ...

Each principal axis in the direction of maximum (remaining) energy ... Cattell's Scree Test - Humphrey-Ilgen - Kaiser's Criterion. None are reliable. 17 ...

XML is able to represent a mix of structured and text information: XML applications: digital libraries, content management. ... XSEarch, XIRQL, JuruXML, XXL, ELIXIR ...

Secure Multiparty Computation Multi-round protocols Li Xiong CS573 Data Privacy and Security

Secure Multiparty Computation Multi-round protocols Li Xiong CS573 Data Privacy and Security

Cleaning Uncertain Data for Top-k Queries Luyi Mo, Reynold Cheng, Xiang Li, David Cheung, Xuan Yang The University of Hong Kong {lymo, ckcheng, xli, dcheung, xyang2}@ ...

Optimizing Access Cost for Top-k Queries over Web Sources: A Unified Cost-based Approach Seung-won Hwang, Kevin Chen-Chuan Chang

Parallel Crawlers by Cho, Junghoo et al. University of California, WWW2002, ... 1) firewall mode : parallel crawler number 4 & less quality ... crawler ...

Ranking in DB Laks V.S. Lakshmanan Depf. of CS UBC

Title: Cache-Oblivious Priority Queue and Graph Algorithm Applications Author: Lars Arge Description: unix compatible title Created Date: 5/14/2002 6:45:48 PM

IR: 'find top 5 documents relevant to `computational', `neuroscience' and `brain theory'. IR systems maintain full text indexes; inverted lists of docs w.r.t. each ...

10 copies gets 30% error, 100 copies 10% error. Can pack FM into eg. 32 bits. ... Top 100. Images from http://www.billboard.com. 27. Top-k Scenario ...

Expression pattern of genes related to characteristics of tissue type ... Some of the most effective treatments for breast cancers ...

Supervisor:Prof. Shan Wang. School of information, Renmin University of China ... Vera Watson. Jim Gray. Donald D. Chamberlin. A103. A102. A101. a1. a2. a3 ...

adjoint pair (a b c iff a b c). details in proceedings ... A B is entailed by T iff A B is provable from T ... P P iff (detailed description in proceedings) the ...

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