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With the development of Web 2.0, we are abundant with the documents expressing user's opinions, attitudes and sentiments in the textual form. This user generated textual content is an important source of information to make sound decisions by the organizations and the government. The textual information can be categorized into two types: facts and opinions. Subjectivity analysis is the automatic extraction...
Historical text archives constitute a rich and diverse source of information, which is becoming increasingly readily accessible, owing to large-scale digitisation efforts. Searchable access is typically provided by applying Optical Character Recognition (OCR) software to scanned page images. Often, however, the automatically recognised text contains a large number of errors, since OCR systems are...
Based on the introduction of text mining software Text Analyst and Word Stat, this paper analyzes their characteristics and their application cases in text mining. The paper specifies the use requirements and considerations which help people better develop and use Text Analyst and Word Stat to do knowledge discover and management.
The volume of digital information is growing considerably in the last two decades and there is currently a huge concern about obtaining this content quickly and effectively. In the health sector it is not different, to retrieve medical records that obtain relevant information about treatments and progresses of clinical conditions may speed up new patients' diagnosis. In this work it is described a...
This paper introduces a workbench called SINDI-WALKS capable of extracting inherent valuable information from scientific literatures such as articles and patents. The system identifies PLOTs, Person, Location, Organization and Terms and extracts the semantic relations between them. Also, the workbench provides two test beds for monitoring the run-time behavior of the core engines, SINDI-CORE (PLOT...
We study the retrieval task that ranks a set of objects for a given query in the pair wise preference learning framework. Recently researchers found out that raw features (e.g. words for text retrieval) and their pair wise features which describe relationships between two raw features (e.g. word synonymy or polysemy) could greatly improve the retrieval precision. However, most existing methods can...
In this work, we investigate sentiment mining of Arabic text at both the sentence level and the document level. Existing research in Arabic sentiment mining remains very limited. For sentence-level classification, we investigate two approaches. The first is a novel grammatical approach that employs the use of a general structure for the Arabic sentence. The second approach is based on the semantic...
The task of analytic-synthetic process of text information cannot be solved without deep knowledge about the structure of language, without using a deep linguistic processor, processing morphology and syntax as well as semantics of language. On the stage of semantic analysis methods and algorithms of the theory of categories and predicate algebra are suggested to be used for defining connections between...
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