22nd International Conference on Data Engineering Workshops (ICDEW'06)最新文献_第6页

Multimodality Sensors for Sleep Quality Monitoring and Logging 多模态传感器用于睡眠质量监测和记录

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.97

Ya-Ti Peng, Ching-Yung Lin, Ming-Ting Sun

引用次数: 8

Processing XPath Queries in PC-Clusters Using XML Data Partitioning 使用XML数据分区处理pc集群中的XPath查询

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.120

Kentaro Kido, T. Amagasa, H. Kitagawa

{"title":"Processing XPath Queries in PC-Clusters Using XML Data Partitioning","authors":"Kentaro Kido, T. Amagasa, H. Kitagawa","doi":"10.1109/ICDEW.2006.120","DOIUrl":"https://doi.org/10.1109/ICDEW.2006.120","url":null,"abstract":"Recently, with the rapid spread of XML format, it has become popular that large-scale data, whose size range from several hundreds of MB to several GB, are described by XML. For the purpose of providing fast and reliable means for storage and retrieval of huge XML data, it is a reasonable choice for us to use XML databases. In fact, there are many ways to realize XML databases, but relational XML database, in that an XML data is mapped to relational tables and query processing is enabled in terms of SQL queries, is one of the most popular way to implement XML databases. However, some researchers have pointed out that the performance of relational XML databases degrades when dealing with such huge XML data. In this study, we propose a scheme for parallel processing of XML data using PC Clusters. First, we discuss how to decompose XML data so that we can perform parallel processing of XML queries. We give the definitions of vertical and horizontal decomposition of XML data based on decomposition of schema graph and XML instances, respectively. To allocate decomposed XML data to cluster nodes, we give an algorithm for computing pseudo-optimal assignment of XML fragments like greedy method in the light of XML query workload. Finally, we experimentally evaluate the effectiveness of the proposed method.","PeriodicalId":331953,"journal":{"name":"22nd International Conference on Data Engineering Workshops (ICDEW'06)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125817827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 22

Query Classification and Storage Evaluation inWireless Sensor Networks 无线传感器网络中的查询分类与存储评估

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.123

Kyungseo Park, R. Elmasri

引用次数: 7

A Model for a Semantic Enabled Network 语义支持网络的模型

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.10

William A. Ruh

引用次数: 1

A Robust Approach to Schema Matching overWeb Query Interfaces 基于web查询接口的模式匹配鲁棒方法

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.18

Jin Pei, Jun Hong, D. Bell

引用次数: 11

XStruct: Efficient Schema Extraction from Multiple and Large XML Documents XStruct:从多个大型XML文档中高效提取模式

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.166

J. Hegewald, Felix Naumann, Melanie Herschel

{"title":"XStruct: Efficient Schema Extraction from Multiple and Large XML Documents","authors":"J. Hegewald, Felix Naumann, Melanie Herschel","doi":"10.1109/ICDEW.2006.166","DOIUrl":"https://doi.org/10.1109/ICDEW.2006.166","url":null,"abstract":"XML is the de facto standard format for data exchange on the Web. While it is fairly simple to generate XML data, it is a complex task to design a schema and then guarantee that the generated data is valid according to that schema. As a consequence much XML data does not have a schema or is not accompanied by its schema. In order to gain the benefits of having a schema - efficient querying and storage of XML data, semantic verification, data integration, etc.- this schema must be extracted. In this paper we present an automatic technique, XStruct, for XML Schema extraction. Based on ideas of [5], XStruct extracts a schema for XML data by applying several heuristics to deduce regular expressions that are 1-unambiguous and describe each element’s contents correctly but generalized to a reasonable degree. Our approach features several advantages over known techniques: XStruct scales to very large documents (beyond 1GB) both in time and memory consumption; it is able to extract a general, complete, correct, minimal, and understandable schema for multiple documents; it detects datatypes and attributes. Experiments confirm these features and properties.","PeriodicalId":331953,"journal":{"name":"22nd International Conference on Data Engineering Workshops (ICDEW'06)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123316351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 80

A New Approach for Information Processing inWireless Sensor Network 一种新的无线传感器网络信息处理方法

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.12

Burcin Bostan-Korpeoglu, A. Yazıcı, I. Korpeoglu, R. George

{"title":"A New Approach for Information Processing inWireless Sensor Network","authors":"Burcin Bostan-Korpeoglu, A. Yazıcı, I. Korpeoglu, R. George","doi":"10.1109/ICDEW.2006.12","DOIUrl":"https://doi.org/10.1109/ICDEW.2006.12","url":null,"abstract":"Recent technological advances enable realization of wireless sensor networks suitable for many applications including environmental monitoring, biological and chemical contamination detection, earthquake management. Depending on the application, the properties of sensor network databases include a distributed environment, approximate and long-running queries, large volumes of data, uncertainty and fuzziness in data and in queries, activeness, etc., which bring out new database processing and management problems. In particular, reactive sensor network database applications must be able to detect the occurrences of specific events or changes in the network state, and to respond by automatically executing the appropriate application logic. For such applications, an ECA rule-based fuzzy active database approach fits well. In this study, we propose an active database approach employing a fuzzy Petri net model, which processes uncertain sensor data and handles flexible (i.e., fuzzy and approximate) and continuous queries. The proposed model provides a natural data processing and management approach for sensor and actuator network applications that require reactive behavior.","PeriodicalId":331953,"journal":{"name":"22nd International Conference on Data Engineering Workshops (ICDEW'06)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122978838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Strategic Properties of Peer-to-Peer Data Structures and Behaviour of Human Peers in Economic Experiments 经济实验中点对点数据结构的策略属性和人类同伴的行为

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.139

Stephan Schosser, Klemens Böhm, R. Schmidt, B. Vogt

{"title":"Strategic Properties of Peer-to-Peer Data Structures and Behaviour of Human Peers in Economic Experiments","authors":"Stephan Schosser, Klemens Böhm, R. Schmidt, B. Vogt","doi":"10.1109/ICDEW.2006.139","DOIUrl":"https://doi.org/10.1109/ICDEW.2006.139","url":null,"abstract":"Structured peer-to-peer networks manage large data sets. Each peer administers a part of the data. To answer a query, several peers must collaborate. However, experience with peer-to-peer file sharing systems shows that peers tend to abandon collaboration. Such behaviour is also expected in structured peer-to-peer systems. In the recent past, protocols for such systems to counter this kind of behaviour have been proposed. Our objective is to investigate how the behaviour of peers reacts to such protocols. We use idealized game theoretic models to analyze the strategic properties of structured peer-to-peer networks. The models predict cutoff strategies. I.e., if more than a certain percentage of their queries are answered, peers also answer queries in a stationary equilibrium. Another theoretical result is that free riding may occur in equilibrium. To check whether our theoretical predictions are in line with reality, we have implemented our model in an experimental laboratory and have analyzed the behaviour of human peers. These experiments support our theoretical results.","PeriodicalId":331953,"journal":{"name":"22nd International Conference on Data Engineering Workshops (ICDEW'06)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2006-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132473308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Anti-Tamper Databases: Processing Aggregate Queries over Encrypted Databases 防篡改数据库:处理加密数据库上的聚合查询

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.30

Sun S. Chung, G. Özsoyoglu

引用次数: 36

A PCA-Based Vehicle Classification Framework 基于pca的车辆分类框架

22nd International Conference on Data Engineering Workshops (ICDEW'06) Pub Date : 2006-04-03 DOI: 10.1109/ICDEW.2006.16

Chengcui Zhang, Xin Chen, Wei-bang Chen

引用次数: 66