probabilistic thresholdrange aggregate query processing over uncertain data
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probabilistic thresholdrange aggregate query processing over uncertain data

Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

query over uncertain data require comprehensive analysis of probabilities, as shown in Figure 1. Assume we still use aR-tree to index the uncertain objects.

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Probabilistic Thresholdrange Aggregate Query Processing Over Uncertain Data

Probabilistic Threshold Range Aggregate Query Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data Shuxiang Yang 1, Wenjie Zhang2, Ying Zhang ,andXueminLin3 1 The

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

Request (PDF) | Probabilistic Thresh... | Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggregate (PTRA) query retrieves summarized information about the uncertain objects satisfying a range query, with

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data - PowerPoint PPT Presentation

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

Fig. 8. Accuracy Comparison. - "Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data"

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data Shuxiang Yang 1, Wenjie Zhang2, Ying Zhang ,andXueminLin3 1 The University of New South Wales, Australia 2 The University of New South Wales / NICTA, Australia 3 Dalian Maritime University, China & UNSW / NICTA, Australia {syang, zhangw, yingz,

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggregate (PTRA) query...

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggregate (PTRA) query retrieves summarized information about the uncertain objects satisfying a range query, with respect to a given probability threshold.

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract. Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggregate (PTRA) query retrieves summarized information about the

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggregate (PTRA) query retrieves summarized information about the uncertain objects satisfying a range query, with respect to a given probability threshold.

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Aggregate Computations over Uncertain and Probabilistic Data

Aggregate Computations over Uncertain and Probabilistic Data in TRIO System. Adam Shafi Shaik1, Sudha Madhuri. M2 . 1Pursuing M.Tech(CS) ... indexing, query processing against relational and spatial uncertain data. ... to SQL queries over the encoded data, and thus are implemented as algorithmic stored procedures.

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Probabilistic Group Nearest Neighbor Queries in Uncertain Databases

Probabilistic Group Nearest Neighbor Queries in Uncertain Databases Xiang Lian, Student Member, IEEE, and Lei Chen, Member, IEEE Abstract—The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. In the context of uncertain databases, previous works have

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract. Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggregate (PTRA) query retrieves summarized information about the

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Aggregate functions over probabilistic data -

Various extended relational data models were proposed to handle uncertain data including possibilistic and probabilistic data. Query processing involving aggregate functions over uncertain data is rarely considered.

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Sum Query Evaluation over Uncertain Data - rroij

KEYWORDS: query processing, ... probabilistic variable. Uncertain data streams are important in growing number of environments, ... RFID networks for object tracking, radar networks for severe weather monitoring and etc.Aggregate query, in particular SUM queries, are essential for many applications that deal with uncertain data. Let us

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Making Aggregation Work in Uncertain and Probabilistic Databases

Making Aggregation Work in Uncertain and Probabilistic Databases Raghotham Murthy, Robert Ikeda, Jennifer Widom Stanford University frsm,rmikeda,[email protected] ... we support variants for each aggregate function that return a single value over uncertain data, instead of a set of possible values: a

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Probabilistic Group Nearest Neighbor Queries in Uncertain Databases ...

The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. In the context of uncerta

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Efficiently and Effectively Processing Probabilistic Queries on Uncertain Data

Probabilistic Queries on Uncertain Data by Wenjie Zhang B.Sc., Harbin Institute of Technology, 2004 ... it is highly desirable to conduct advanced analyzing and query processing over uncertain data. The following five important aspects for uncertain ... of probabilistic skyline queries over sliding windows. We characterize the minimum

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MANAGING AND MINING UNCERTAIN DATA - Charu

Query Evaluation over Uncertain Data 92 4.1 Example 94 4.2 Generating Factors during Query Evaluation 96 4.3 Query Evaluation as Inference 99 ... 6.5 Probabilistic Aggregate Operations 377 6.6 Modeling Interval Uncertainty in Semi-structured Data 379 7. Summary 382 References 385 13 ... Uncertain Data.” MANAGING AND MINING

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Probabilistic Threshold Range Aggregate Query Processing over Uncertain ...

Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggregate (PTRA) ... Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data. by: Shuxiang Yang, Wenjie Zhang, Ying Zhang,

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Threshold-based probabilistic top- | Request PDF

Threshold-based probabilistic top- ... Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data. January 2009. Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggregate (PTRA)

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Aggregate Computations over Uncertain and Probabilistic Data

Aggregate Computations over Uncertain and Probabilistic Data in TRIO System. Adam Shafi Shaik1, Sudha Madhuri. M2 . 1Pursuing M.Tech ... performed on uncertain and probabilistic data in TRIO system. Keywords - Aggregation, Uncertain data, TRIO system, Probabilistic data. ... indexing, query processing against relational and

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MANAGING AND MINING UNCERTAIN DATA - Charu

Query Evaluation over Uncertain Data 92 4.1 Example 94 4.2 Generating Factors during Query Evaluation 96 4.3 Query Evaluation as Inference 99 ... 6.5 Probabilistic Aggregate Operations 377 6.6 Modeling Interval Uncertainty in Semi-structured Data 379 7. Summary 382 References 385 13 ... Uncertain Data.” MANAGING AND MINING

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aggregate querry processung - weldingpositioner.co

Probabilistic Threshold Range Aggregate Query Processing over . A range aggregate query (RA query) ... Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data Shuxiang Yang∗, Wenjie Zhang+, Ying Zhang∗, and Xuemin Lin+ ∗The University of ...

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Probabilistic Group Nearest Neighbor Queries in Uncertain Databases ...

The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. In the context of uncerta

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Making Aggregation Work in Uncertain and Probabilistic Databases

Making Aggregation Work in Uncertain and Probabilistic Databases Raghotham Murthy, Robert Ikeda, Jennifer Widom Stanford University frsm,rmikeda,[email protected] March 17, 2010 DRAFT. 2 ... Query Processing I. INTRODUCTION Trio is a prototype database management system under

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aggregate query processing - sslabs

Probabilistic Threshold Range Aggregate Query , Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data , query processing techniques are presented in Section 3 and Section 4, respec-Chat Online; Aggregate-join query processing in parallel database , Queries containing aggregate functions often

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IEEE TRANSACTIONS ON KNOWLEDGE AND DATA

Effectively Indexing the Uncertain Space Ying Zhang, Member, IEEE, Xuemin Lin, Wenjie Zhang, Jianmin Wang, ... Range search over uncertain data is important in query processing and data mining, which have many applications. ... probabilistic threshold range query retrieves all uncertain objectsU 2UwithP appðU;QÞ ,where

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PPT - Probabilistic Similarity Queries in Uncertain Databases ...

Probabilistic Similarity Queries in Uncertain Databases. ... Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data -. wenjie zhang university of new south wales & nicta, australia. ... Processing on Continuous Uncertain Data Liping Peng Yanlei Diao Anna Liu VLDB 2011 Seattl -Optimizing probabilistic query

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Aggregate functions over probabilistic data -

Various extended relational data models were proposed to handle uncertain data including possibilistic and probabilistic data. Query processing involving aggregate functions over uncertain data is rarely considered.

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Aggregate Query Answering under Uncertain Schema Mappings

Aggregate Query Answering under Uncertain Schema Mappings ... of processing such queries under all six semantics. We show that computing COUNT is in PTIME for all six semantics and ... probability distribution over this set of mappings specifies the probability that a specific mapping is the correct one [11]. For example, when a

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range aggregate processing spatial databases -

Probabilistic Threshold Range Aggregate Query ... Range queries in OLAP data cubes. ... Range Aggregate Processing in Spatial ... and knowledge from large spatial databases. A spatial data mining ... Contact Us. Clustering spatial networks for aggregate query ...

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aggregate query processing meaning - herbalslim.co

Probabilistic Threshold Range Aggregate Query Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data Shuxiang Yang∗, Wenjie Zhang+, Ying Zhang∗, and Xuemin Lin+ ∗The University of ...

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Probabilistic Group Nearest Neighbor Queries in Uncertain Databases

The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. In the context of uncertain databases, previous work have studied many query types such as nearest neighbor query, range query, top-$k$ query, skyline query, and similarity join.

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Sum Query Evaluation over Uncertain Data - rroij

KEYWORDS: query processing, ... probabilistic variable. Uncertain data streams are important in growing number of environments, ... RFID networks for object tracking, radar networks for severe weather monitoring and etc.Aggregate query, in particular SUM queries, are essential for many applications that deal with uncertain data. Let us give

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DBLP: Wenjie Zhang - VLDB Endowment Inc.

... , Wenjie Zhang, Ying Zhang, Xuemin Lin: Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data. APWeb/WAIM 2009: 51-62: 12 : Bo Huang, Junyong Ding, Jinquan Dai ... Ying Zhang, Xuemin Lin, Yufei Tao, Wenjie Zhang: Uncertain Location Based Range Aggregates in a Multi-dimensional ... Ming

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Probabilistic Group Nearest Neighbor Queries in Uncertain Databases

The importance of query processing over uncertain data has recently arisen due to its wide usage in many real-world applications. ... Probabilistic Group Nearest Neighbor Queries in Uncertain Databases ... which also has many applications. Specifically, given a set, Q, of query points, a PGNN query retrieves data objects that minimize

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Efficient monochromatic and bichromatic probabilistic

Efficient monochromatic and bichromatic probabilistic reverse top-k query processing for uncertain big data. Author links open overlay panel Guoqing Xiao a Kenli Li a b Xu Zhou a Keqin Li a b c. ... we model firstly probabilistic reverse top-k queries over uncertain big data for the discrete situation, ... the aggregate scoring values of a, b, ...

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Probabilistic nearest neighbor query processing on

To deal with uncertain objects and retrieve users’ requiring objects from them, probabilistic query processing over uncertain databases has recently received significant attention.

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Probabilistic skylines on uncertain data

Mei Bai , Junchang Xin , Guoren Wang, Probabilistic reverse skyline query processing over uncertain data stream, Proceedings of the 17th international conference on Database Systems for Advanced Applications, April 15-18, 2012, ... Ying Zhang , Xuemin Lin, Probabilistic Threshold Range Aggregate Query Processing over Uncertain

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A probabilistic relational model and algebra - doi.acm.org

Although the relational model for databases provides a great range of advantages over other data models, it lacks a comprehensive way to handle incomplete and ... Wenjie Zhang , Ying Zhang , Xuemin Lin, Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data, Proceedings of the Joint International ... Wenjie

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FP-CPNNQ: A Filter-Based Protocol for Continuous Probabilistic Nearest ...

Continuous Probabilistic Nearest Neighbor Query Yinuo Zhang1, Anand Panangadan2, ... tribute uncertainty in continuous query processing results in continuous prob-abilistic queries (CPQ). ... case study in these works. In [14], we investigated e cient continuous aggregate query execution over uncertain data.

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Top- K Probabilistic Closest Pairs Query in Uncertain Spatial Databases ...

Abstract. An important topic in the field of spatial data management is processing the queries involving uncertain locations. This paper focuses on the problem of finding probabilistic K closest pairs between two uncertain spatial datasets, namely, Top-K probabilistic closest pairs (TopK-PCP) query, which has popular usages in real

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MUD: Mapping-based Query Processing For High-Dimensional Uncertain Data

MUD: Mapping-based Query Processing For High-Dimensional Uncertain Data ... are typically associated with probability density functions. A fundamental operation on such uncertain data is the probabilistic-threshold range query (PTRQ), which ... Query processing on uncertain data In previous studies, various queries have been

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Top-k Queries in Uncertain OLAP - University Of

Top-k Queries in Uncertain OLAP Master Scholarly Paper Bao N. Nguyen Department of Computer Science University of Maryland College Park, MD 20742, USA ... 2.1.2 OLAP over uncertain and imprecise data Recently, the traditional OLAP model has been extended to deal with uncertain and imprecise ... 2.2.2 Top-k query processing in

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Top- query processing over uncertain data in

Model-Based Query Processing Over Uncertain Data (in ICDE 2011) Raw Sensor Data Inference of time-varying probability distributions Creating probabilistic.

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Flexible Operations in Uncertain and Probabilistic

... query processing, set operation: INTRODUCTION: In traditional database management systems (DBMS), we can store the data item with exact value. ... Computing aggregate over uncertain and probabilistic data is useful in situation where analytical processing is required over uncertain data.

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Aggregate Query Answering on Possibilistic Data with

... query processing and data lineage such that it does not necessitate explicit lineage representation or materialization of possible ... aggregate query answers over uncertain data. (Section V) II. RELATED WORK In this section, we show that while the various models intro- ... correlations in probabilistic data. The probabilistic and/xor

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Volume 3, Issue 7, July 2013 ISSN: 2277 128X

Range aggregate query processing was explored in [7] over uncertain data. They proposed two approaches for the ... Probabilistic range query was investigated by Dai et al. [8] on uncertain data. Range queries are also studied in [9] and [10] with a constraint. The constraint is that the objects considered in the dataset should follow

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SUM Query Processing over Probabilistic Data - Inria

SUM Query Processing over Probabilistic Data 3 RR n° 7629 1 Introduction Aggregate (or aggr for short) queries, in particular SUM queries, are crucial for many

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