Results 111 to 120 of about 16,602 (259)

Relational Approach to Logical Query Optimization of XPath [PDF]

open access: yes, 2004
To be able to handle the ever growing volumes of XML documents, effective and efficient data management solutions are needed. Managing XML data in a relational DBMS has great potential.
Keulen, Maurice van
core   +1 more source

Approaching the largest ‘API’: extracting information from the Internet with Python

open access: yesCode4Lib Journal, 2018
This article explores the need for libraries to algorithmically access and manipulate the world’s largest API: the Internet. The billions of pages on the ‘Internet API’ (HTTP, HTML, CSS, XPath, DOM, etc.) are easily accessible and manipulable. Libraries
Jonathan E. Germann
doaj  

XPath Satisfiability with Parent Axes or Qualifiers Is Tractable under Many of Real-World DTDs [PDF]

open access: green, 2013
Yasunori Ishihara   +4 more
openalex   +1 more source

Web Data Extraction, Applications and Techniques: A Survey

open access: yes, 2014
Web Data Extraction is an important problem that has been studied by means of different scientific tools and in a broad range of applications. Many approaches to extracting data from the Web have been designed to solve specific problems and operate in ad-
Abel   +100 more
core   +1 more source

Язык запросов к совокупности XML-документов, соединенных при помощи ссылок языка XLink.

open access: yesТруды Института системного программирования РАН, 2004
Язык ссылок XML (XLink) — это язык описания межресурсных связей при помощи атрибутов XML и специального пространства имен. Спецификация языка XLink Консорциума Всемирной Сети предоставляет лишь структуры данных для описания ссылок и минимальную модель их
Д.А. Лизоркин
doaj  

Automatic Wrapper Adaptation by Tree Edit Distance Matching [PDF]

open access: yes, 2010
Information distributed through the Web keeps growing faster day by day,\ud and for this reason, several techniques for extracting Web data have been suggested\ud during last years.
Baumgartner, Robert, Ferrara, Emilio
core  

XML Reconstruction View Selection in XML Databases: Complexity Analysis and Approximation Scheme

open access: yes, 2010
Query evaluation in an XML database requires reconstructing XML subtrees rooted at nodes found by an XML query. Since XML subtree reconstruction can be expensive, one approach to improve query response time is to use reconstruction views - materialized ...
A. Balmin   +11 more
core   +1 more source

Depth Image Processing for Obstacle Avoidance of an Autonomous VTOL UAV [PDF]

open access: yes, 2006
We describe a new approach for stereo-based obstacle avoidance. This method analyzes the images of a stereo camera in realtime and searches for a safe target point that can be reached without collision.
Andert, Franz   +2 more
core  

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