We study the problem of agreement and disagreement detection in online discussions. An isotonic Conditional Random Fields (isotonic CRF) based sequential model is proposed to make predictions on sentenceor segment-level. We automatically construct a socially-tuned lexicon that is bootstrapped from existing general-purpose sentiment lexicons to further improve the performance. We evaluate our ag...

Abstract Emotions remain a fertile field of research. Thanks to newly available technology, investigating people’s preferences, emotions and feelings is relevant for different purposes perspectives. Consequently, the exploration emotion has stimulated specialised software development. This paper presents snapshot currently computational tools analysing emotions. We also explore compare their co...

We study the evolution of long-lived controversial debates as manifested on Twitter from 2011 to 2016. Speci cally, we explore how the structure of interactions and content of discussion varies with the level of collective attention, as evidenced by the number of users discussing a topic. Spikes in the volume of users typically correspond to external events that increase the public attention on...

debate is an independent technique  in literature that has been common among poets and writers in arabic literature for a long time. the literary genre which has been shaped based on  imitating  real debates is a hostile or friendly dialogue between parties of the debate who could be human, animal, plant, abstract concepts, natural and other elements. since this genre exists very strikingly and...