In recent years, XML has been established as a major means for information management,
and has been broadly utilized for complex data representation (eg multimedia objects) …

We study the problem of group recommendation. Recommendation is an important
information exploration paradigm that retrieves interesting items for users based on their …

In this paper, we study the problem of effective keyword search over XML documents. We
begin by introducing the notion of Valuable Lowest Common Ancestor (VLCA) to accurately …

Graph pattern matching has been widely used in eg, social data analysis. A number of
matching algorithms have been developed that, given a graph pattern Q and a graph G …

Top-k query processing is an important building block for ranked retrieval, with applications
ranging from text and data integration to distributed aggregation of network logs and sensor …

Keyword search is a familiar and potentially effective way to find information of interest that
is" locked" inside relational databases. Current work has generally assumed that answers …

XML repositories are usually queried both on structure and content. Due to structural
heterogeneity of XML, queries are often interpreted approximately and their answers are …

The popularity of collaborative tagging sites presents a unique opportunity to explore
keyword search in a context where query results are determined by the opinion of a network …

This paper presents a novel engine, coined TopX, for efficient ranked retrieval of XML
documents over semistructured but nonschematic data collections. The algorithm follows the …

Recent IR extensions to XML query languages such as Xpath 1.0 Full-Text or the NEXI
query language of the INEX benchmark series reflect the emerging interest in IR-style …