... identifier(s) as input and returns a (set of) XML tree(s) that correspond. In an XML database, as in any other database, we use in- dices to find portions of the database relevant to a query when- ever ... implementation of XML data management, where XML data is not translated into rigid relations. There are sev- eral implementations of XML storage that are independent of relational databases [49,42,65,67,68]. ... aimed centrally at building an efficient XML database engine. As such it differs from related efforts at data integration [6,57] and querying XML over the web [44]. How- ever, each of these important
Ngày tải lên: 23/03/2014, 12:20
... selection of the most promising databases for the query, a task that typically relies on statistical summaries of the database contents. Unfortunately, web- accessible text databases do not gen- erally ... processing over multiple text databases. We now briefly outline how typical database selection algorithms work and how they depend on database content summaries to make decisions. A database selection algorithm ... in the database. Table 1 depicts a small fraction of what the content summaries for two real text databases might look like. For example, the content summary for the CNN.fn database, a database
Ngày tải lên: 23/03/2014, 16:21
Classification-Aware Hidden-Web Text Database Selection doc
... algo- rithms using a variety of databases, including 315 real web databases. We also evaluate our database selection strategies with extensive experiments that involve text databases and queries from ... Classification-Aware Hidden -Web Text Database Selection • 6:25 from the database selection algorithm is... allow the database selection algorithm to choose among all available databases Next, ... Hidden -Web Text Database Selection •... Selection • 6:19 Fig 7 Exploiting a topic hierarchy for database selection return the best K databases under C, according to the flat database
Ngày tải lên: 30/03/2014, 22:20
TIỂU LUẬN MÔN CƠ SƠ DỮ LIỆU NÂNG CAO XML database Xpath & XSLT
... về XML eXtensible Markup Language (XML) Nền tảng dựa trên thẻ(tag) tự quy định Cho phép mô tả dữ liệu có cấu trúc và phi cấu trúc XML có dùng để chứa dữ liệu, hỗ trợ UNICODE XML ... khuôn dạng dữ liệu của file XML XSLT: là bộ máy chuyển hỗ trợ chuyển dữ liệu XML sang HTML hoặc tài liệu XML khác Trình duyệt, ngôn ngữ hỗ trợ đối tượng thao tác XML có xây dựng XSLT Engin ... file XML chứa dữ liệu File XSL quy định khuôn dạng dữ liệu Đầu ra dữ HTML Giá trị theo kiểu dữ liệu XSL và XSLT File data .xml: < ?xml version="1.0"?> < ?xml- stylesheet
Ngày tải lên: 08/07/2015, 16:09
Efficient and effective keyword search in XML database
... in relational databases and/or XML databases with the graph (or digraph) model. Keyword search in databases with the graph (or digraph) model was first addressed for relational databases in [5,10,27], ... applied for XML keyword search if the XML databases cannot be mapped to a rigid relational schema. 20 XKeyword [28] extends the work of Discover to handle keyword search in XML databases with ... in XML. Before that, we first define reference -connection that is important for LRA pair semantics. 36 Definition 2 (reference -connection) Two nodes u, v with no A-D relationship in an XML database
Ngày tải lên: 05/10/2015, 19:01
Java servlets and the web xml configuration file (lập TRÌNH WEB SLIDE)
... Server-side Web Programming Lecture 6: Java Servlets and the web. xml Configuration File Configuration Files • Each webapp has a web. xml file – In WEB- INF subdirectory • Defines: ... shown at webapp startup – Default: index.jsp • Can change to a new welcome file New Welcome Page • Will go to that page when webapp started • Note change in web. xml Servlet Mapping Web. xml links ... NetBeans provides interface to manipulate its values The web. xml file • Internally, still XML – Can view and edit at XML tab – Basic form of XML: text or – Tags must be properly balanced and nested
Ngày tải lên: 29/03/2021, 10:55
Tài liệu Database and XML Technologies- P3 docx
... S-Y Chien, V.J Tsotras, C Zaniolo, "Version Management of XML Documents", Proc of 3rd International Workshop on the Web and Databases (WebDB’2000), Texas, 2000 In conjunction with ACM SIGMOD’2000 ... the XML Database with Meta-Models Most complex meta-models in MECASP are obtained by the conversion from the definitions/ schemas of the existing applications/ resource types (e.g a generic database ... two phases: (1) conversion of the application schema into an XML document; (2) conversion of the XML document into a MECASP-specific XML meta-model Versioning Heterogeneous Resources MECASP cannot
Ngày tải lên: 14/12/2013, 15:16
Tài liệu Database and XML Technologies- P6 pdf
... between XML and relational databases With current technology, the source of XML data is typically a relational database [1] and relational databases are also normally used to store XML. ... overview of XML and Relational security model supports XML Relational XML Security Models Relational Security Models ([6], [2], etc) ([13], etc) XML Databases Relational Databases (Xindice, ... SQL Server, etc) Models Products most XML database products currently... storage and access of XML data in relational databases are to (1) map XML authorization rules into the existing
Ngày tải lên: 14/12/2013, 15:16
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P4 docx
... BonForumRobot ” n Chapter 11: ? ?XML Data Storage Class: ForestHashtable ” n Section 11.11: “Initializing the bonForumXML Database? ?? n Section 11.12: “Runtime bonForumXML Database? ?? 6.3.1 The outputForumChatMessages ... TransformTag can instead use the contents of the ForestHashtable XML database. It does that if the first attribute is set to the string value bonForumXML .This turned out to be one of our best tools for ... passing null string values to Java methods that expect a string. One session attribute in the application is called bonForumStore . It enables us to find the application interface to its XML database
Ngày tải lên: 14/12/2013, 22:15
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P5 pptx
... the Web app should know about. Web Application Deployment Descriptor for bonForum The web. xml Web application deployment descriptor for bonForum can be found in the following file: TOMCAT_HOME\webapps\bonForum \web- inf \web. xml ... document type links the web. xml configuration file to a definition of what a Web application should look like: <!DOCTYPE web- app PUBLIC “-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN” ... “http://java.sun.com/j2ee/dtds /web- app_2.2.dtd”> According to that definition, a Web application description is enclosed in a pair of matching root element tags, < ;web- app> and < /web- app> . Among
Ngày tải lên: 14/12/2013, 22:15
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P7 pptx
... either for all host nodes or for all guest nodes in bonForumXML . The chatGuest and chatHost session attribute values ( chatActor strings) have the following format, which depends upon the XSL ... which is converted to a string. Finally, the actorRatingNodeKey and the new rating value for the actorRating node content are both passed to the editBonNode() method of the database object.That ... and write the property from JSP in bonForum. The thread next calls the initializeXML() method. If the bonForumXML data object is empty (normally true only after application startup), it will
Ngày tải lên: 14/12/2013, 22:15
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P8 pdf
... static String logging = null; private private private private String String String String docName = “”; pathToSubTreeRootNode = “”; ancestorReplacer = “”; nodeSeparator = “”; private void log( String ... processor.setStylesheetParam( “param1”, processor.createXString( param1 ) ); We mentioned before that the inXML and inXSL arguments could be either URI values or strings containing XML data or an XSL style sheet, respectively ... the XML database. The project is a prototype, and so is the tag.The tag design attempts to include features that will make it useful in other situations when hierarchical information kept in XML
Ngày tải lên: 14/12/2013, 22:15
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P9 pptx
... the NodeKey class: class NodeKey { String aKey; String bKey; String cKey; public NodeKey() { this.aKey = “”; this.bKey = “”; this.cKey = “”; } public String toString() { return aKey + “.” + bKey ... Values A NodeKey , when converted to a string by the toString() method, is simply the three strings separated by period characters. An example of a NodeKey as a string is the following: “ 963539545905.963539545895.963539545885 ... ForestHashtable class, called bonForumXML .We will show you how the data in bonForumXML is ini- tialized, and we also will discuss an example of bonForumXML data after a couple chats were started.
Ngày tải lên: 14/12/2013, 22:15
Tài liệu Creating and Managing Microsoft XML Web Services ppt
... unavailable ■ XML data types The data type used with XML Web Services is XML XML is used in all areas of XML Web Services For a refresher in XML, see Appendix D Loose... MCAD/MCSD XML ... more closely at the nodes in the XML Web Services architecture. XML Web Service Provider The central role of the XML Web Services architecture is that of an XML web service provider (I will use ... Asynchronous Web Methods 5.05 Controlling XML Wire Format for an XML Web Service 5.06 Instantiating and Invoking an XML Web Service ✓ Two-Minute Drill Q&A Self Test CertPrs8 / MCAD/MCSD XML Web Services
Ngày tải lên: 21/12/2013, 19:15
Tài liệu Database and XML Technologies- P7 ppt
... between XML and relational databases With current technology, the source of XML data is typically a relational database [1] and relational databases are also normally used to store XML. ... overview of XML and Relational security model supports XML Relational XML Security Models Relational Security Models ([6], [2], etc) ([13], etc) XML Databases Relational Databases (Xindice, ... relational databases More specifically, in our approach, (1) Users make XML queries against the given XML view/schema, (2) Access controls for XML data are also specified in the XML model,
Ngày tải lên: 24/12/2013, 03:15
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P11 ppt
... obj = null; String actorNickname = “”; String actorAge = “”; String xalanVersion = “”; String sessionMaxInactiveMinutes = “”; String actorRatingType = “”; String chatModerated = “”; String chatTopic ... chatTopic = “”; String chatSubject = “”; String chatItem = “”; String chatGuest = “”; String chatMessage = “”; String chatMessagesNavigator = “”; String chatMessagesPageSize = “”; String nameAndAttributes ... graphics.drawString(messageLineOne,10,20); graphics.drawString(messageLineTwo,10,40); graphics.drawString(target,10,60); graphics.drawString(document,10,80); graphics.drawString(new Boolean(refresh).toString(),
Ngày tải lên: 24/12/2013, 07:17
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P12 pdf
... pathToSubTreeRootNode String * @param xmlUri String * @param nodeKeyHashtableName String * @param sessionId String */ protected void loadBufferXMLFromURI (String pathToSubTreeRootNode, String parentNodeInDestination, ... String * @param parentNodeInDestination String * @param node Node * @param nodeKeyHashtableName String * @param sessionId String */ protected void loadForumXML (String pathToSubTreeRootNode, String ... String */ protected void loadBufferXML (String pathToSubTreeRootNode, String parentNodeInDestination, Node node, String nodeKeyHashtableName, String sessionId) { Object parentNodeKey = null; String
Ngày tải lên: 24/12/2013, 07:17
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P13 pptx
... getNodeKeyForString (String nodeKeyString) { //log(sessionId, “”, “getNodeKeyForString() nodeKeyString” + nodeKeyString); NodeKey nodeKey = new NodeKey(); int inx; if((nodeKeyString == null) || (nodeKeyString.equals(“”))) ... toString() method returns a given String. * Note: If argument string is empty or null method returns an empty NodeKey. * * @param nodeKeyString String * @return NodeKey for the given nodeKeyString ... keyString.indexOf(“.”); if(inx > -1) { nodeKey.aKey = keyString.substring(0, inx); keyString = keyString.substring(inx + 1); inx = keyString.indexOf(“.”); 15 1089-9 XC 6/26/01 7:40 AM Page 591
Ngày tải lên: 24/12/2013, 07:17
Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P14 pptx
... bgcolor=”#00FFFF”> <% String target = (String) session.getAttribute(“target”); String document = (String) session.getAttribute(“document”); String refresh = (String) session.getAttribute(“refresh”); String increment ... bgcolor=”#00FFFF”> <% String target = (String) session.getAttribute(“target”); String document = (String) session.getAttribute(“document”); String refresh = (String) session.getAttribute(“refresh”); String increment ... (String) session.getAttribute(“refresh”); String increment = (String) session.getAttribute(“increment”); String limit = (String) session.getAttribute(“limit”); String message = (String) session.getAttribute(“message”);
Ngày tải lên: 24/12/2013, 07:17
[Tài liệu cũ] XML Web Services Security
... Amster dam XML Web Services Secu rity Slide2_44 XML Web Services technologies for IIDS Discussion March 27, 2003 . Vrije Univer siteit, Amster dam XML Web Services Secu rity Slide2_14 Web Services ... Amster dam XML Web Services Secu rity Slide2_4 XML Basics: DTD, Schema, XML Protocol, etc. DTD is document-oriented ã Like HTML Schema is data-oriented ã XML Signature ã SAML Basic XML Protocol(s) ã XML- RPC ã SOAP XForms, ... 2003 . Vrije Univer siteit, Amster dam XML Web Services Secu rity Slide2_2 Outlines ã Historical ã XML Security ã Web Services Security ã OGSA Security ã XML Web Services technology for IIDS - Discussion ...
Ngày tải lên: 08/07/2013, 01:27