A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...
It is argued that we are experiencing a paradigm shift from a user perspective to a client perspective in library and information science. The paradigm shift is brought about by re...
In order to support various requirements from the user’s perspective, digital library (DL) systems may need to apply a large variety of services, such as query services for a spe...
It is well known that the text that appears in a video scene or is graphically added to it is an important source of semantic information for indexing and retrieval, notably in the...
Abstract: Document analysis and text mining techniques are used to preprocess documents in information retrieval systems, to extract concepts in ontology construction processes, an...