Search Results - "Query Processing and Optimisation"

XML2HBase: Storing and querying large collections of XML documents using a NoSQL database system by Bao, Liang, Yang, Jin, Wu, Chase Q., Qi, Haiyang, Zhang, Xin, Cai, Shunda

“…•An encoding scheme named Pathed-Dewey Order for nodes in XML documents.•An XML-to-HBase mapping strategy based on Pathed-Dewey Order.•An algorithm to…”
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Optimal Join Algorithms Meet Top- k by Tziavelis, Nikolaos, Gatterbauer, Wolfgang, Riedewald, Mirek

“…have been studied intensively in the database community and they are an important means to reduce query cost when only the "best" or "most interesting" results…”
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Listening to the Firehose: Sonifying Z3's Behavior by Hackett, Finn, Beschastnikh, Ivan

“…Modern formal methods rely heavily on Satisfiability Modulo Theory (SMT) solvers like Z3. Unfortunately, these solvers are complex, have unpredictable runtime…”
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STREAM: Spatiotemporal Similarity-based Efficient Approximate Median with Tunable Granularity by Li, Fenfang, Luo, Huizhang, Liu, Weichen, Chronopoulos, Anthony Theodore, Li, Kenli, Liu, Chubo

“…The median (MED) is a crucial statistic for measuring the central tendency. However, exact MED computation remains costly, with even state-of-the-art (SOTA)…”
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Similarity Joins: Their implementation and interactions with other database operators by Silva, Yasin N., Pearson, Spencer S., Chon, Jaime, Roberts, Ryan

“…Similarity Joins are extensively used in multiple application domains and are recognized among the most useful data processing and analysis operations. They…”
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3SEPIAS: A Semi-Structured Search Engine for Personal Information in dAtaspace System by Zhong, Ming, Liu, Mengchi, He, Yanxiang

“…Nowadays, personal information is being distributed into more and more heterogeneous sources, which presents a huge obstacle to management and retrieval of…”
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ACGraph: Accelerating Streaming Graph Processing via Dependence Hierarchy by Jiang, Zihan, Mao, Fubing, Guo, Yapu, Liu, Xu, Liu, Haikun, Liao, Xiaofei, Jin, Hai, Zhang, Wei

“…Streaming graph processing needs to timely evaluate continuous queries. Prior systems suffer from massive redundant computations due to the irregular order of…”
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SHC: Distributed Query Processing for Non-Relational Data Store by Weiqing Yang, Mingjie Tang, Yongyang Yu, Yanbo Liang, Saha, Bikas

“…We introduce a simple data model to process non-relational data for relational operations, and SHC (Apache Spark - Apache HBase Connector), an implementation…”
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Querying Visible and Invisible Information by Benedikt, Michael, Bourhis, Pierre, ten Cate, Balder, Puppis, Gabriele

“…We provide a wide-ranging study of the scenario where a subset of the relations in the schema are visible --- that is, their complete contents are known ---…”
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Query Processing And Optimization Method of Ethnic Music Data Based on Deep Belief Network by He, Sixian, He, Siyuan, Gao, Xin

“…With the development of the Internet and the large-scale digital music industry, the acquisition and listening of music are presented to users in a more…”
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Why is it Hard to Obtain a Dichotomy for Consistent Query Answering? by Fontaine, Gaelle

“…A database may for various reasons become inconsistent with respect to a given set of integrity constraints. To overcome the problem, a formal approach to…”
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Translating Between SQL Dialects for Cloud Migration by Zmigrod, Ran, Alamir, Salwa, Liu, Xiaomo

“…Migrations of systems from on-site premises to the cloud has been a fundamental endeavor by many industrial institutions. A crucial component of such cloud…”
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Static Checking of Dynamically Generated Queries in Database Applications by Gould, Carl, Su, Zhendong, Devanbu, Premkumar

“…Many data-intensive applications dynamically constructqueries in response to client requests and execute them.Java servlets, e.g., can create string…”
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Error-controlled Progressive Retrieval of Scientific Data under Derivable Quantities of Interest by Wu, Xuan, Gong, Qian, Chen, Jieyang, Liu, Qing, Podhorszki, Norbert, Liang, Xin, Klasky, Scott

“…The unprecedented amount of scientific data has introduced heavy pressure on the current data storage and transmission systems. Progressive compression has…”
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Understanding query complexity and its implications for energy-efficient web search by Bragg, Emily, Guevara, Marisabel, Lee, Benjamin C.

“…Today's largest datacenters dissipate megawatts of power. Efficiency is rapidly becoming the primary determinant of datacenter capability. To understand…”
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JDBC Checker: A Static Analysis Tool for SQL/JDBC Applications by Gould, Carl, Su, Zhendong, Devanbu, Premkumar

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CARP: Range Query-Optimized Indexing for Streaming Data by Jain, Ankush, Cranor, Charles D., Zheng, Qing, Settlemyer, Bradley W., Amvrosiadis, George, Grider, Gary A.

“…Ingestion of data generated by high-performance scientific applications continues to stress available storage resources. Efficient range-based analyses on this…”
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Automated Generation of Metamorphic Relations for Query-Based Systems by Segura, Sergio, Alonso, Juan C., Martin-Lopez, Alberto, Duran, Amador, Troya, Javier, Ruiz-Cortes, Antonio

“…Searching and displaying data based on user queries is a pervasive feature of most software applications such as information systems, web portals, and web…”
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SciHadoop: array-based query processing in Hadoop by Buck, Joe B., Watkins, Noah, LeFevre, Jeff, Ioannidou, Kleoni, Maltzahn, Carlos, Polyzotis, Neoklis, Brandt, Scott

“…Hadoop has become the de facto platform for large-scale data analysis in commercial applications, and increasingly so in scientific applications. However,…”
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Advanced query processing and its optimization for mobile computing environment by Chendke, A.P., Sherekar, S. S., Thakare, V. M.

“…Query processing is that method or technique in area of mobile atmosphere which deal using mobile environment. This research in that way user can think…”
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