Advisors
Now showing items 1-20 of 44
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Active and mobile data management through event history mining
(Bilkent University, 2001-08) -
Analysis of Web search queries with very few or no results
(Bilkent University, 2012)Nowadays search engines have significant impacts on people’s life with the rapid growth of World Wide Web. There are billions of web pages that include a huge amount of information. Search engines are indispensable tools ... -
Automating information extraction task for Turkish texts
(Bilkent University, 2011)Throughout history, mankind has often suffered from a lack of necessary resources. In today’s information world, the challenge can sometimes be a wealth of resources. That is to say, an excessive amount of information ... -
Caching techniques for large scale web search engines
(Bilkent University, 2011)Large scale search engines have to cope with increasing volume of web content and increasing number of query requests each day. Caching of query results is one of the crucial methods that can increase the throughput of ... -
Cluster based collaborative filtering with inverted indexing
(Bilkent University, 2005)Collectively, a population contains vast amounts of knowledge and modern communication technologies that increase the ease of communication. However, it is not feasible for a single person to aggregate the knowledge of ... -
Content-based video copy detection using multimodal analysis
(Bilkent University, 2009)Huge and increasing amount of videos broadcast through networks has raised the need of automatic video copy detection for copyright protection. Recent developments in multimedia technology introduced content-based copy ... -
Counteracting free riding in pure peer-to-peer networks
(Bilkent University, 2008)The peer-to-peer (P2P) network paradigm has attracted a significant amount of interest as a popular and successful alternative to traditional client-server model for resource sharing and content distribution. However, ... -
Data dissemination strategies for mobile peer-to-peer information systems with applications to healthcare
(Bilkent University, 2009)Peer-to-peer (P2P) architecture is becoming increasingly popular for various applications, replacing the classical Client-Server architecture. With the enhanced capabilities of mobile devices (PDAs, mobile phones, etc.) ... -
Data modeling and querying for video databases
(Bilkent University, 2002)With the advances in information technology, the amount of multimedia data captured, produced and stored is increasing rapidly. As a consequence, multimedia content is widely used for many applications in today’s world, ... -
Development and evaluation of inter-query optimization heuristics in database systems
(Bilkent University, 1996)In a multi-user database system multiple queries can be issued by different users at about the same time. These queries may have some common operations and/or common relations to process. In our work, we have developed ... -
Effective and explainable mechanisms for natural language interface in databases
(Bilkent University, 2021-09)Structured Query Language (SQL) is a commonly used tool to extract and present structured data stored in Relational Database Management Systems (RDBMSs), yet inherited complexities of SQL create barriers for naive users ... -
Efficiency and effectiveness of XML keyword search using a full element index
(Bilkent University, 2010)In the last decade, both the academia and industry proposed several techniques to allow keyword search on XML databases and document collections. A common data structure employed in most of these approaches is an inverted ... -
An efficient method for generating updates in processing location dependent continuous queries
(Bilkent University, 2001-09)Recent advances in wireless communication networks and portable computers have greatly increased the functionality of mobile information services and mobile computing applications. Most of those applications are expected ... -
An efficient query optimization strategy for spatio-temporal queries in video databases
(Bilkent University, 2002-07)The interest for multimedia database management systems has grown rapidly due to the need for the storage of huge volumes of multimedia data in computer systems. An important building block of a multimedia database system ... -
Efficient result caching mechanisms in search engines
(Bilkent University, 2014)The performance of a search engine depends on its components such as crawler, indexer and processor. The query latency, accuracy and recency of the results play crucial role in determining the performance. High performance ... -
Fog supported wireless sensor networks for forest fire detection
(Bilkent University, 2018-09)Fog computing is a new paradigm that aims to extend the concept of cloud computing to the edge of the network, providing the end users network with extra storage and processing power. One big contribution of Fog computing ... -
Global memory management in client-server systems
(Bilkent University, 1995)This thesis presents two techniques to iinpro\ e the performance of the global memory management in client-server systems. The proposed memory management techniques, called “Dropping Sent Pages'’ and “Forwarding Sent ... -
Implementation of a topic map data model for a Web-based information resource
(Bilkent University, 2002)The Web has become a vast information resource in recent years. Millions of people use the Web on a regular basis and the number is increasing rapidly. The Web is the largest center in the world presenting almost all of ... -
Implementation of parallel nested transactions for nested rule execution in active databases
(Bilkent University, 1996)(Jonventional, passive datal)ases, ex('cute transcictions or queries in response to the requests from a user or an application program. In contrcist, an Active Database Management System (ADI3MS) allows users to specify ... -
Improving educational search and question answering
(Bilkent University, 2016-06)Students use general web search engines (GSEs) as their primary source of research while trying to find answers to school related questions. Although GSEs are highly relevant for the general population, they may return ...