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TodayВ’s research upon efficiency of user interaction with large web portals has established links between webpage popularity and crucial elements of webpage design, such as page layout and navigation on the portal, or, more narrowly, menu design. But despite their established importance, the two aforementioned elements of web design are next to never studied together, and their relative roles in rising webpage ranks are virtually unknown. In this paper, we assess pages with high betweenness centrality within the ...

Topic modeling is a method of automated definition of subtopics in a text corpus. Usage of topic modeling for short texts, e.g. tweets, is highly complicated due to their short length and grammatical restructuring, including broken word order, abbreviations, and contamination of different languages. In this paper, the authors use the BTM topic modelling algorithm (previously found to work best in comparison with two other topic models measured by automated coherence metrics Umass and NPMI) to test three topic qual...