1. Object Summary
徐丹云

2. 数据库领域
A novel keyword search paradigm in relational databases: Object summaries(Data & Knowledge Engineering 2011)
An OS summarizes all data held about a particular Data Subject (DS) in a database.
Comprise a more complete and therefore semantically meaningful set of information about the enquired DS

3. keyword search paradigm
输入Keywords :“Janet Peacock”
输出a ranked set of OSs
An OS is a tree comprised of tuples, with the tDS tuple as the root node and t’s neighboring typles the child nodes
Based on a Data Subject Schema Graph(GDS) automatically generated for each RDS

6. 信息检索领域
Summarizing highly structured documents for effective search interaction ( international ACM SIGIR conference 2012)
users still need to judge which documents in the returned results are most useful to them based on the summaries of the retrieved documents.
“15-inch silver laptop by Lenovo”

7. Summarization based on query-specific facet selection
use a learning-based approach to rank all facet-value pairs according to their relevance to the query
Learning model:Gradient Boosted Trees(GBT)
rank facets according to their importance
generate summaries for each retrieved document based on the most important facets we learn in the previous step

8. 异同
数据的呈现形式
摘要判定标准
建立摘要的目的