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.
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Showing 1 to 20 of 46 for “"Keyword search"”.
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Schema-aware keyword search on linked data
Keyword search is a popular technique for querying the ever growing repositories of RDF graph data on the Web. This is due to the fact that the users do not need to master complex query languages (e.g., SQL, SPARQL) and they do not need to know the underlying structure of the data on the Web to …
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Keyword search in graphs, relational databases and social networks
Keyword search, a well known mechanism for retrieving relevant information from a set of documents, has recently been studied for extracting information from structured data (e.g., relational databases and XML documents). It offers an alternative way to query languages (e.g., SQL) to explore …
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Towards a concurrent implementation of keyword search over relational databases.
… users may locate information by using simple keyword queries. We further this by implementing graph search, allowing users to automatically discover related facts of information. The effects of performing graph search concurrently are explored, revealing a substantial reduction in graph search …
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Semantics and result disambiguation for keyword search on tree data
Keyword search is a popular technique for searching tree-structured data (e.g., XML, JSON) on the web because it frees the user from learning a complex query language and the structure of the data sources. However, the convenience of keyword search comes with drawbacks. The imprecision of the …
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Effective semantic-based keyword search over relational databases for knowledge discovery
<p>Keyword-based search has been popularized by Internet web search engines such as Google which is the most commonly used search engine to locate the information on the web. On the other hand while traditional database management systems offer powerful query languages such as SQL, they do not …
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Echolocation: Using Word-Burst Analysis to Rescore Keyword Search Candidates in Low-Resource Languages
… recorded archives of speech data available to researchers are relatively scant. In the context of these low-resource languages, the task of keyword search within recorded speech is formidable. We demonstrate a method that generates more accurate keyword search results on low-resource languages by …
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Knowledge-based document retrieval with application to TEXPROS
… system is most often accomplished through keyword search. The common technique behind keyword search is indexing. The major drawback of such a search technique is its lack of effectiveness and accuracy. It is very common in a typical keyword search over the Internet to identify hundreds or …
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Melody : a distributed music-sharing system
Text search has been an important feature of file sharing applications since Napster. This thesis explores a directory hierarchy for categorizing and retrieving content in peer-to-peer systems as an alternative to keyword search. This thesis discusses Melody, a music sharing system that implements …
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Detection and Identification of Software Encryption Solutions in NT-based Microsoft Windows Operating Systems
… and independent factors such as file headers, keyword search, Master Boot Record analysis as well as hashing of software components were investigated and allow the identification of these programs. The most reliable detection rate is achieved through a combination of the aforementioned factors.
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Interest networks : understanding the influence of interesting people in an organization
… (past and present) for 43 companies using a keyword search. This data is used to create a visualization of people's interests, an "Interest Space", which is a network graph of how interests are categorized and linked to each other. By analyzing the data from firms associated with the Media …
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Optimizing relational search with embedded neural network
Our research focuses on a novel method to query relational data. We propose the partial tuple search problem where a user can utilize keyword search to explore complex relational datasets. The challenge of evaluation of partial tuple queries is the performance bottleneck of fuzzy string matching …
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Google distance analysis of the MIT curriculum
… for key topics, and performed Google searches on those terms. By composing keyword search result vectors for each subject, scores can be calculated between all pairs of subjects. These scores were used by an MDS layout algorithm and a Hierarchical Clustering algorithm to suggest two …
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Principles of usable query interfaces
… useful insights and create value for society. Keyword queries are by far the most popular method for users to search, explore, and understand such information. Because search is more effective when information is well organized, people often choose to add structure to their information, …
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A fuzzy logic-based text classification method for social media
… compares the proposed method with the well-known keyword search method in terms of correctness rate and quantity. The result shows that the proposed fuzzy logic-based approach is more suitable to classify Twitter messages than keyword word method.
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Organizational Search in Email Systems
… very important to provide intuitive and flexible search utilities to provide better access to the information in the email repositories, especially in an enterprise or organizational setting. In order to implement the functionality, we are presenting a tool name TESO. TESO is a tool for email …
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A comparative study of third-grade students' use of children's web directories
… the success rates of the two directories. The researcher taught a three-week unit of instruction on searching children's' Web directories to locate information. Students completed a five-question worksheet in which they were required to do a keyword search on a specified directory to answer each …
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Expanding the Frame: Realising Engagement Through an Interactive, Visualisation-Based Search in Digital Humanities Research Environments
… new ways of researching and exploring text. As a result, visualisations have risen to prominence as scholars have begun to explore concepts behind Moretti’s Distant Reading and Jocker’s Macroanalysis. While the study of these types of visualisations has largely …
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Acoustic event, spoken keyword and emotional outburst detection
This thesis presents work in research topics of audio detection. It first describes a system for large-scale multi-label acoustic event detection (AED) in YouTube videos. It explores the potential of the state-of-the-art deep learning classifiers for AED, describes both qualitative and quantitative …
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Easing access to relational databases : investigating access to relational databases in the context of both novice and would-be expert users
… and/or are limited in their ability to translate keywords to appropriate results. Some educational applications often fail to provide assistance in key areas such as using joins, learning textual SQL and building queries from scratch. This thesis presents two applications: Context Aware Free Text …
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Infixer: A Method for Segmenting Non-Concatenative Morphology in Tagalog
… natural language processing tasks, including keyword search and machine translation.</p> <p>Included with this project is an implementation of the segmentation method described in the form of a Python library called Infixer. This approach involves a preprocessing step that re- structures …
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