[PDF] Top 20 1. Ir-tree query processing in spatial database

1. Ir-tree query processing in spatial database

... the spatial data is performed where let P be a set of multidimensional ...the spatial context, nothing prevents us from treating the text description Wp of a point p as a document, and then, building an I- ... See full document

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Privacy Protected Query Processing on Spatial Networks

... [2]Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the ...Efficient processing of LBSQs is of critical importance with the ever-increasing ... See full document

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Dynamic spatial index for efficient query processing on the cloud

... of spatial data ...range query size in this experiement is 20% and the average query time is measured in ms over 100 runs for varying node capacities of the index in ...age query ... See full document

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Soft Spatial Query Processing in Spatial Databases-A Case Study

... Spatial database is the core of spatial ...of spatial database has experienced three stages in the past several years - file system, relational database mixed with file system, ... See full document

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Spatial Aware Query Processing For Social Networks

... decades Spatial query processing based on R-tree or its extensions has been extensively ...a query point. Li et al. proposed a novel spatial-aware interest group (SIG) ... See full document

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Large Spatial Database Indexing with aX tree

... of query according to [18]. In large databases especially spatial – temporal ones, the efficiency of searching is dependent on the extent to which the underlying data is sorted ...the spatial data ... See full document

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Density Based Quickly Accessible Neighbour Search with Keywords

... The spatial inverted list (SI-index) is essentially a good version of an inverted index with embedded ...coordinates. Query processing with an SI-index can be done either by merging or together with ... See full document

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SKYLINE QUERY PROCESSING IN LOCATION BASED APPLICATION

... the query index and results from ...authenticate query results is imperative for outsourced ...S4- tree method to authenticate one-shot ...incomplete query results to clients, intentionally or ... See full document

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DIM: a distributed air index based on MapReduce for spatial query processing in road networks

... for spatial queries in wire- less broadcast environments ...path query processing on road networks, which le- verages an elaborate air index called BagIndex based upon the novel Hilbert-based ... See full document

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Concise Query Processing in Uncertain Database

... a query object q and an object O in a network will automatically result in the computation of the distance between q and the objects that are (relatively) closer to q than ...vector spatial index structures ... See full document

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Development of Route based Data Generation Algorithm and Data Model for Moving Objects

... trajectory-based query designed for spatial network database is a query which targets a trajectory on the continuous past location saved while a moving object ...and spatial ... See full document

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The Tree Processing Language: Defining the structure and behaviour of a tree

... Compiler construction has always been one of my favourite fields of software en- gineering. In the past few years I’ve written several parsers and compilers. Of these compilers, the compiler for the functional ... See full document

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Adaptive Virtual Partitioning for OLAP Query Processing in a Database Cluster

... of database management has been achieved with parallel database systems [Valduriez 1993], using tightly-coupled multiprocessors and data partitioning and replication ...the database system to have ... See full document

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Detection of Spatio Textual Top K Queries in Location Based Services Using Reverse Keyword Search

... a query object q, a reverse nearest neighbour (RNN) query in a common certain database returns the objects having q as their nearest neighbour ...the query object as nearest neighbour with a ... See full document

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Authenticating Location Based Services with Spatial Query Processing

... and processing queries, has been widely adopted because of the benefits of power and storage saving for sensors as well as the efficiency of query ...a query contains exactly the data items that ... See full document

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Content-Based Face Image Retrieval Using Attribute-Enhanced Sparse Codewords

... Traditional content-based image retrieval techniques use (low-level) image content like color, texture and shape to represent images. Inverted indexing and hash indexing, these two types of indexing systems are used to ... See full document

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EXPLORING QUERY PROCESSING USING SBA IN OBJECT ORIENTED DATABASE

... Query processing is the sequence of actions that takes as input a query formulated in the user language and delivers as result the data asked ...for. Query processing involves ... See full document

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Partitioning of Query Processing in Distributed Database System to Improve Throughput

... Raimund Kirner(2015)[1] proposed two novel heuristic graph partitioning techniques to partition the workload of circulate packages to optimise throughput on heterogeneous dispensed systems and comparison of both ... See full document

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Studies on Research and Development in Web Mining

... 3.2.2 Web Query System Natural language processing ,web structural information and standard database query language as SQL are used by different Web based query systems and languages for[r] ... See full document

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Application of GIS for Urban Traffic Accidents: A Critical Review

... GISs enhance the integration of data from different sources based on geographic locations. In traffic accident analyses, researchers have used GISs to link traffic accident data with traffic data (e.g., traffic volume ... See full document

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