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82
Efficient Query Optimizing System for Searching Using Data Mining Technique
"... There is a critical need to design and develop tools that abstract away the fundamental complexity of XML based Web services specifications and toolkits, and provide an elegant, intuitive, simple, and powerful query based invocation system to end users. Web services based tools and standards have be ..."
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There is a critical need to design and develop tools that abstract away the fundamental complexity of XML based Web services specifications and toolkits, and provide an elegant, intuitive, simple, and powerful query based invocation system to end users. Web services based tools and standards have
Join-Based Algorithms for Keyword Search in XML Databases
"... We consider the problem of keyword search in XML databases under the excluding lowest common ancestor (ELCA) semantics. Our analysis shows that ELCA semantics may lead to conflict with keyword proximity concept, and under such semantics, lower ELCAs are preferable because lower elements tend to be m ..."
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We consider the problem of keyword search in XML databases under the excluding lowest common ancestor (ELCA) semantics. Our analysis shows that ELCA semantics may lead to conflict with keyword proximity concept, and under such semantics, lower ELCAs are preferable because lower elements tend
On the Size of Full Element-Indexes for XML Keyword Search
"... Abstract. We show that a full element-index can be as space-efficient as a direct index with Dewey ids, after compression using typical techniques. 1 Full Element-Index for XML Keyword Search Keyword search is a crucial operation that has to be supported on XML data. Earlier works attacking this pro ..."
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Abstract. We show that a full element-index can be as space-efficient as a direct index with Dewey ids, after compression using typical techniques. 1 Full Element-Index for XML Keyword Search Keyword search is a crucial operation that has to be supported on XML data. Earlier works attacking
Personalized Keyword Search with Partial-Order Preferences
- IN PROC. OF BRAZILIAN SYMP. ON DATABASES (SBBD’02)
, 2002
"... Personalized search engines must be able to cope with various user preferences, retrieving the best matches to a query. For SQL and XML applications new methods for such preference-based searches have been implemented recently. Here we adopt this approach to keyword search in full-text search engine ..."
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Cited by 8 (2 self)
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Personalized search engines must be able to cope with various user preferences, retrieving the best matches to a query. For SQL and XML applications new methods for such preference-based searches have been implemented recently. Here we adopt this approach to keyword search in full-text search
Evaluation of Top-k Queries over Structured and Semi-structured Data
, 2005
"... Traditionally, queries over structured (e.g., relational) and semi-structured (e.g., XML) data identify the exact matches for the queries. This exact-match query model is not appropriate for many database applications and scenarios where queries are inherently fuzzy —often expressing user preference ..."
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Traditionally, queries over structured (e.g., relational) and semi-structured (e.g., XML) data identify the exact matches for the queries. This exact-match query model is not appropriate for many database applications and scenarios where queries are inherently fuzzy —often expressing user
A Partition-Based Approach for XPath Testing
- Proceedings of the International Conference on Software Engineering Advances
, 2006
"... Abstract—The XML language is becoming the preferred means of data interchange and representation in web based applications. Usually, XML data is stored in XML repositories, which can be accessed efficiently using the standard XPath as query language. However, the specific techniques for testing thes ..."
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Cited by 4 (2 self)
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Abstract—The XML language is becoming the preferred means of data interchange and representation in web based applications. Usually, XML data is stored in XML repositories, which can be accessed efficiently using the standard XPath as query language. However, the specific techniques for testing
Efficient Management of Data Center Resources for Massively Multiplayer
"... (MMOGs) can include millions of concurrent players spread across the world. To keep these highly-interactive virtual environments online, a MMOG operator may need to provision tens of thousands of computing resources from various data centers. Faced with large resource demand variability, and with m ..."
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of both the player population and the player interactions. We evaluate several algorithms, including a novel neural network predictor, for predicting the resource demand. Using trace-based simulation, we evaluate the impact of the data center policies on the resource provisioning efficiency; we show
XQuery Imp lementation in a Relational Database Syst em
- In VLDB 2005
, 2005
"... Many enterprise applications prefer to store XML data as a rich data type, i.e. a sequence of bytes, in a relational database system to avoid the complexity of decomposing the data into a large number of tables and the cost of reassembling the XML data. The upcoming release of Microsoft's SQL S ..."
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Many enterprise applications prefer to store XML data as a rich data type, i.e. a sequence of bytes, in a relational database system to avoid the complexity of decomposing the data into a large number of tables and the cost of reassembling the XML data. The upcoming release of Microsoft's SQL
Verification of tree updates for optimization
- IN: CAV
, 2005
"... With the rise of XML as a standard format for representing treeshaped data, new programming tools have emerged for specifying transformations to tree-like structures. A recent example along this line are the update languages of [17, 16, 9] which add tree update primitives on top of the declarative ..."
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Cited by 13 (5 self)
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query languages XPath and XQuery. These tree update languages use a “snapshot semantics”, in which all querying is performed first, after which a generated sequence of concrete updates is performed in a fixed order determined by query evaluation. In order to gain efficiency, one would prefer to perform
Results 11 - 20
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82
