With the rising applications implemented in different domains, it is inevitable to require databases adopt corresponding appropriate data models store and exchange derived from various sources. To handle these a single platform, community of introduces multi-model database. And many vendors are improving their products supporting model being databases. Although this brings benefits, spending lo...

New spatio-textual indexing methods are needed to support efficient search and update of the massive amounts spatially referenced text being generated. Location based services using geo-tagged documents provide valuable ranked recommendations about nearby restaurants, services, sales, emergency events, visitor attractions. Consequently, top-k spatial keyword queries (TkSKQ) have received a lot ...

When emerging technologies such as Search Engine Marketing (SEM) face tasks that require human level intelligence, it is inevitable to use the knowledge repositories to endow the machine with the breadth of knowledge available to humans. Keyword suggestion for search engine advertising is an important problem for sponsored search and SEM that requires a goldmine repository of knowledge. A recen...