query processing performance
Cutting-edge Relational Graph Data Management with Edge-k: From One to Multiple Edges in the Same Row
... and query processing ...the query processing performance both with the conventional edge table — adopted by the existing frameworks — and with the Neo4j graph ...a processing ...
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XML query processing: A survey
... The core of XML query processing is twig pattern matching, i.e. finding from XML documents all matches that satisfy the twig (or path) pattern specified by a given query. In this survey we will ...
28
Flexible query processing for SPARQL
... a query should be formulated in order to retrieve the desired ...presents query processing algorithms for a fragment of SPARQL ...with query approximation and relaxation operators. Our ...
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GeoMatch:Efficient Large Scale Map Matching on Apache Spark
... spatial queries using standard SQL or DataFrame. Magellan examines the user’s query and object types in order to build and optimize the query execution plan. GeoSpark [6] introduces SRDD (Spatial RDD), an ...
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Generalizing the Optimality of Multi-Step k-NN Query Processing with RASP Data Perturbation in the Cloud
... transformed query describes a polyhedron in the perturbed space that cannot be directly processed by multi-dimensional tree ...transformed query) and submit the MBR and a set of secured query ...
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XML Tree Pattern Matching Algorithms: Survey
... a query tree pattern in XML data sources. Unlike prior research for query tree pattern matching, the TreeMatch algorithm does not need to decompose the tree pattern into linear patterns and do not produce ...
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Review Paper on Feasibility Study of Solar Energy for Brt’s Road
... Abstract - As we know today almost every IT application needs database for storing and retrieving the information. For this, it requires to have the knowledge of technical language like SQL. But, it is not compulsory ...
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Title: Confidential and Secure Query Services in the Cloud with RASP
... range query, which is one of the basic database queries (another popular one is k nearest neighbor (kNN) query as we will ...fast processing time (logarithmic or sub linear time complexity) with the ...
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Construction of Private Methodical Query Services in the Cloud with RASP Data Commotion
... RASP denotes Random Space Perturbation. It also combines OPE, random projection and random noise injection. Here OPE denotes Order Preserving Encryption is used for data that allows any comparison. And that comparison ...
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DBM-Tree: A Dynamic Metric Access Method Sensitive to Local Density Data
... This paper presents a new dynamic MAM called DBM-tree (Density-Based Metric tree), which in a controlled way relaxes the height-balancing requirement of access methods, trading a controlled amount of unbalancing at ...
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Hilbert Exclusion : improved metric search through finite isometric embeddings
... Most research into similarity search in metric spaces relies upon the triangle inequality property. This prop- erty allows the space to be arranged according to relative distances to avoid searching some subspaces. We ...
27
SKYLINE QUERY PROCESSING IN LOCATION BASED APPLICATION
... Skyline query processing for location-based services, which considers both spatial and nonspatial attributes of the objects being queried, has recently received increasing ...skyline query is one ...
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Spatial Aware Query Processing For Social Networks
... Spatial-aware query are used to retrieve a user group of size k where each user is interested in the query keywords and they are close to each ...based query points and social network retrieves the k ...
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PIR with compressed queries and amortized query processing
... To evaluate the end-to-end benefits that SealPIR and mPIR provide to actual applications, we modify the available imple- mentation of Pung [3]. Pung is a messaging service that allows users to exchange messages in rounds ...
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Statistics based Optimization Technique for Query Processing
... and query searching methods can access these structured data to provide effective search ...The query recommendation in the semantic web relevance is needed to be improved based on the user input ...the ...
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QUERY PROCESSING IN A RELATIONAL DATABASE MANAGEMENT SYSTEM
... database query execution engines for executing complex queries over large ..."complex" query is one that requires a number of query processing algorithms to work together, and a ...
6
A Review on Fast Query Processing Techniques and Algorithms
... structured query languages or unaware of the database schema to query the database in an intuitive ...to query and explore these multi-dimensional ...the query point, while all the closer ...
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A Caching Scheme In Location-Dependent Query Processing
... a query to retrieve stationary service objects nearest to him/user, in mobile computing ...previous query answers are cached in the client system’s ...user’s query in the client’s cache, this ...
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Optimized Query Processing For Wireless Sensor Networks
... and query processing in conventional ...declarative query in interaction networking. Declarative query playas an interface ...management, query optimization, processing ...
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INCOG Query Processing in Networks
... Recently, considerable research interest has focused on preventing identity inference in location-based services. Studies in this area typically assume the model described in Section 1, proposing spatial cloaking (i.e., ...
5