Significant amounts of information available today contain references to places on earth.
Traditionally such information has been held as structured data and was the concern of …

With the prevalence of Internet access and online services, various big graphs are
generated in many real applications (eg, online social networks and knowledge graphs). An …

Spatial keyword search has been playing an indispensable role in personalized route
recommendation and geo-textual information retrieval. In this light, we conduct a survey on …

With advances in geo-positioning technologies and geo-location services, there are a
rapidly growing amount of spatio-textual objects collected in many applications such as …

With the broad adoption of mobile devices, notably smartphones, keyword-based search for
content has seen increasing use by mobile users, who are often interested in content related …

Massive amount of data that are geo-tagged and associated with text information are being
generated at an unprecedented scale. These geo-textual data cover a wide range of topics …

As a popular and practical query type in location-based services, the spatial keyword query
has been extensively studied in both academia and industry. Meanwhile, with the growing …

Matching similar pairs of trajectories, called trajectory similarity join, is a fundamental
functionality in spatial data management. We consider the problem of semantic trajectory …

Conventional top-k spatial keyword queries require users to explicitly specify their
preferences between spatial proximity and keyword relevance. In this work we investigate …

As an important type of spatial keyword query, the m-closest keywords (m CK) query finds a
group of objects such that they cover all query keywords and have the smallest diameter …