Location-based services (LBS) have been widely accepted by mobile users. Many LBS
users have direction-aware search requirement that answers must be in the search …

Many applications require finding objects closest to a specified location that contains a set of
keywords. For example, online yellow pages allow users to specify an address and a set of …

This work addresses a novel spatial keyword query called the m-closest keywords (mCK)
query. Given a database of spatial objects, each tuple is associated with some descriptive …

Large volumes of geo-tagged text objects are available on the web. Spatial keyword top-k
queries retrieve k such objects with the best score according to a ranking function that takes …

Many real-world applications have requirements to support moving spatial keyword queries.
For example a tourist looks for top-k" seafood restaurants" while walking in a city. She will …

The boom of the spatial web has enabled spatial keyword queries that take a user location
and multiple search keywords as arguments and return the objects that are spatially and …

With the increasing pervasiveness of the geo-positioning technologies, there is an
enormous amount of spatio-textual objects available in many applications such as location …

The existing works on spatial keyword search focus on finding a group of spatial objects
covering all the query keywords and minimizing the diameter of the group. However, we …

Users often search spatial databases like yellow page data using keywords to find
businesses near their current location. Typing the entire query is cumbersome and prone to …

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 …