Noteworthy Articles of 2020

"Making the News": Identifying Noteworthy Events in News Articles

Most events described in a news article are background events – only a small number are noteworthy, and a even smaller number serve as the trigger for writing of that article. Although these events are difficult to identify, they are crucial to NLP tasks such as first story detection, document summarization and event coreference, and to many applications of event analysis that depend on event c...

A quick glance at noteworthy articles in this month's issue.

DISPERSAL INTO NEWLY EMERGING ENVIRONMENTS CAN INCREASE SPECIES DIVERSIFICATION RATE Accelerated rates of net diversifi cation (speciation minus extinction) have oft en been associated with the appearance of a novel morphological character, or key innovation, that allows a group of organisms to use a niche in a new way. Recently, an alternative mechanism, dispersifi cation (dispersal and divers...

Special Articles on 5 G Technologies toward 2020 Deployment

NTT DOCOMO is researching and developing the fifth-generation mobile communications system (5G) toward the provision of super-high-speed, super-high-capacity wireless communications services. In 5G, the aim is to widen the bandwidth of transmission signals by using frequency bands higher than those of existing frequency bands. However, as radio propagation loss increases in high frequency bands...

Special Articles on 5 G Technologies toward 2020 Deployment

NTT DOCOMO is currently studying a fifth-generation mobile communications system (5G) intensely. This system is expected to use high frequency bands, so clarification of the propagation characteristics in these high frequency bands is the most important issue in radio propagation research for 5G. This article gives an overview of the issues and current state of study in radio propagation, and d...

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