505 search results - page 2 / 101 » Queries with Incomplete Answers over Semistructured Data |
ICDT
2007
ACM
13 years 11 months ago
2007
ACM
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
VLDB
1998
ACM
13 years 9 months ago
1998
ACM
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...
ICDE
2003
IEEE
14 years 6 months ago
2003
IEEE
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
SBBD
2007
13 years 6 months ago
2007
Abstract. Databases, particularly when storing heterogeneous, sparse semistructured data, tend to provide incomplete information and information which is difficult to categorize. T...