Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 8 of 8 for “"Deep web"”.
-
Integrating Deep Web Data Sources
… technique to learn attribute instances from the Web to assist in schema matching. Fourth, we propose a novel constraint-based optimization framework for merging schemas and develop an effective merging algorithm based on the idea of clustering aggregation. Extensive experiments have been …
-
Query selection in Deep Web Crawling
In many web sites, users need to type in keywords in a search Form in order to access the pages. These pages, called the deep web, are often of high value but usually not crawled by conventional search engines. This calls for deep web crawlers to retrieve the data so that they can be used, indexed, …
-
Deep-web search engine ranking algorithms
The deep web refers to content that is hidden behind HTML forms. The deep web contains a large collection of data that are unreachable by link-based search engines. A study conducted at University of California, Berkeley estimated that the deep web consists of around 91,000 terabytes of data, …
-
Ontology learning for the semantic deep web
… role in assisting users in their search for Web pages. This dissertation considers the problem of constructing natural ontologies that support users in their Web search efforts and increase the number of relevant Web pages that are returned. To achieve this goal, this thesis suggests …
-
Automating website profiling for a deep web search engine
The deep web consists of information on the internet that resides in databases or is dynamically generated. It is believed that the deep web represents a large percentage of the total contents on the web, but is currently not indexed by traditional search engines. The Morpheus project is designed …
-
The Morpheus Visualization System : a general-purpose RDF results browser
As the amount of information available on the deep web grows, finding ways to make this information accessible is growing increasingly problematic. As some have estimated that the content in the deep web is several orders of magnitude greater than that in the shallow web, there is a clear need for …
-
Large Scale Information Integration on the Web: Finding, Understanding and Querying Web Databases
"The Web has been rapidly ""deepened"" by myriad searchable databases online, where data are hidden behind query interfaces. Guarding data behind there, such query interfaces are the ""entrances"" or ""doors"" to the deep Web. To open this door to the deep Web, we have been building the MetaQuerier …