[PDF] Top 20 XML query processing: A survey

... A straightforward method of determining reachability is tree navigation [MW99], which consists of either traversing the subtree rooted at an A-tagged node to see if a B-tagged node can be found (forward navigation), or, ... See full document

... Similar to [2], the work in [4] also uses a matrix transformation to protect both data and query privacy. Hence, it is also vulnerable to chosen plaintext attacks. In addition, given a kNN query, the server ... See full document

... improve query response time, produce data warehouse schemas of integrated XML documents from historical user queries, or help in website management by mining data ...With XML becoming a ubiquitous ... See full document

... Abstract- XML is a self-describing data representation format with a flexible ...of XML-based languages have been developed, XML is widely accepted as a standard for data representation and ... See full document

... a query. XML query processing is dependent on traditional top- down tree traversals on the XML document which is highly inefficient as a large collection of documents is ...store ... See full document

... related XML records (Section ...materialized XML structure. Related XML records are tuples selected in the learning process that can be merged together to form a ...These XML structures are ... See full document

...  Each of present algorithms makes a specialty of fine question semantics. Simply imposing them to assist all question semantics will result in huge index length and make it unsalable to new query semantics, and ... See full document

... ABSRACT: Extracting information from semi structured documents is a very difficult task, and is going to become more and more dangerous as the amount of digital information available on the Internet grows. In reality, ... See full document

... Structured query language like XPath and XQuery is used to search XML data in XML repository, the relevant keyword search on semi structured data is challenging task because each result fetched can ... See full document

... of processing power and code complex- ...requirements. XML is a meta-language: a language to express other languages in. The XML standard prescribes a method of encoding structured information in an ... See full document

... central processing unit (CPU) performed the ...its processing power. A graphics processing unit(GPU) is a computer chip that performs rapid mathematical calculations, primarily for the purpose of ... See full document

... In order to prevent multiple POIs from allocating the same Hilbert value, SHC needs to increase the curve order. As POIs usually distribute in a centralized manner, there may be many null value segments in the generated ... See full document

... and XML databases, which includes following XQuery, Lorel, XML-QL, and ...the XML data graph in order to reach relevant data ...for XML data are substantially more ...for XML querying ... See full document

... XPath query before ...graph-oriented XML files (not only trees) which means to replace the interval-based path testing with a more general structure (such as Rho-index ... See full document

... presents survey of techniques for Mapping XML data to relational table using supervised and unsupervised ...learning. XML is being increasingly used in diverse domains ranging from data and ... See full document

... Our baseline ELCA algorithm recursively gets all CA nodes in a top-down way, then checks the satisfiability of each CA node, which works on the traditional inverted lists of labels w.r.t. Dewey or one of its variants. To ... See full document

... property called optionality versatility which determined practices of a XKS for inquiries with missing components. The test comes about demonstrated nature of search, execution time, versatility, number of missing ... See full document

... 3. Collaborative synthetic clever (CAI). Non synthetic or conventional indexing strategies are tree based totally indexing, bitmap indexing, graph question processing, hashing, B tree, R tree which makes use of ... See full document

... create chemical compound clusters out of similar chemical compounds[34]. Similarly, in protein datasets there is also a hierarchy of queries for aminoacids, proteins, protein mix- tures, proteins of uni-cell bacteria, ... See full document

... The query optimizer workout to regulate the most active way to evaluate a given query by considering the possible query ...the query optimizer cannot be getting directly by users once queries ... See full document