With the rapid development of information technologies, various big graphs are prevalent in
many real applications (eg, social media and knowledge bases). An important component of …

Question answering over knowledge graphs (KG-QA) is a vital topic in IR. Questions with
temporal intent are a special class of practical importance, but have not received much …

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 …

Given a graph G and a vertex q∈ G, the community search query returns a subgraph of G
that contains vertices related to q. Communities, which are prevalent in attributed graphs …

Recently, community search over graphs has attracted significant attention and many
algorithms have been developed for finding dense subgraphs from large graphs that contain …

Query processing over graph-structured data is enjoying a growing number of applications.
A top-k keyword search query on a graph finds the top k answers according to some ranking …

Conventional keyword search engines are restricted to a given data model and cannot
easily adapt to unstructured, semi-structured or structured data. In this paper, we propose an …

The ever-increasing popularity of web APIs allows app developers to leverage a set of
existing web APIs to achieve their sophisticated objectives. The heavily fragmented …

With the increasing amount of text data stored in relational databases, there is a demand for
RDBMS to support keyword queries over text data. As a search result is often assembled …

Empowering users to access databases using simple keywords can relieve the users from
the steep learning curve of mastering a structured query language and understanding …