|
|
Analysis of Product Reviews
Klocok, Andrej ; Doležal, Jan (referee) ; Smrž, Pavel (advisor)
Online store customers generate vast amounts of product and service information through reviews, which are an important source of feedback. This thesis deals with the creation of a system for the analysis of product and shop reviews in the czech language. It describes the current methods of sentiment analysis and builds on current solutions. The resulting system implements automatic data download and their indexing, subsequently sentiment analysis together with text summary in the form of clustering of similar sentences based on vector representation of the text. A graphical user interface in the form of a web page is also included. A review data set with a total of more than six million reviews was created during the semester along with an interface for easy data export.
|
|
|
Slovak Pattern-based Morphology
Klocok, Andrej ; Dytrych, Jaroslav (referee) ; Smrž, Pavel (advisor)
Theaimofthisthesisistogetacquaintedwithmethodsofmorphologicalanalysis,representation of data of morphological dictionaries, creation of system based on technical patterns for flective morphology of Slovak language. From this system is derived a morphological analyzer, which lemmatizes input words, determines their pattern and a morphological tag, a tool for comparison and evaluation of stemmers, which evaluates stemmers based on a derivative dictionary, a tool for reconstruction of diacritics, which was created as an auxiliary tool. In the last chapters of thesis, individual tools are assessed, morphological analyzer is compared with available alternative,two implementations of Slovak stemmers are evaluated by the tool for stemmer evaluation and the further development of tools is indicated.
|
|
|
Analysis of Product Reviews
Klocok, Andrej ; Doležal, Jan (referee) ; Smrž, Pavel (advisor)
Online store customers generate vast amounts of product and service information through reviews, which are an important source of feedback. This thesis deals with the creation of a system for the analysis of product and shop reviews in the czech language. It describes the current methods of sentiment analysis and builds on current solutions. The resulting system implements automatic data download and their indexing, subsequently sentiment analysis together with text summary in the form of clustering of similar sentences based on vector representation of the text. A graphical user interface in the form of a web page is also included. A review data set with a total of more than six million reviews was created during the semester along with an interface for easy data export.
|
|
|
Slovak Pattern-based Morphology
Klocok, Andrej ; Dytrych, Jaroslav (referee) ; Smrž, Pavel (advisor)
Theaimofthisthesisistogetacquaintedwithmethodsofmorphologicalanalysis,representation of data of morphological dictionaries, creation of system based on technical patterns for flective morphology of Slovak language. From this system is derived a morphological analyzer, which lemmatizes input words, determines their pattern and a morphological tag, a tool for comparison and evaluation of stemmers, which evaluates stemmers based on a derivative dictionary, a tool for reconstruction of diacritics, which was created as an auxiliary tool. In the last chapters of thesis, individual tools are assessed, morphological analyzer is compared with available alternative,two implementations of Slovak stemmers are evaluated by the tool for stemmer evaluation and the further development of tools is indicated.
|
guest ::
