Hawk–hybrid question answering using linked data

R Usbeck, ACN Ngomo, L Bühmann… - The Semantic Web. Latest …, 2015 - Springer
The decentral architecture behind the Web has led to pieces of information being distributed
across data sources with varying structure. Hence, answering complex questions often …

Natural language question answering over knowledge graph: the marriage of SPARQL query and keyword search

X Hu, J Duan, D Dang - Knowledge and Information Systems, 2021 - Springer
Natural language question answering over knowledge graph has received widespread
attention. However, the existing methods always aim to improve every phase of natural …

Scalable aggregate keyword query over knowledge graph

X Hu, J Duan, D Dang - Future Generation Computer Systems, 2020 - Elsevier
Existing keyword query systems over knowledge graphs are easy to use and can produce
interesting results. However, they cannot address even simple aggregate queries (ie, a …

[PDF][PDF] Integrated Semantic Search on Structured and Unstructured Data in the ADOnIS System.

F Klan, E Faessler, A Algergawy, B König-Ries… - S4BioDiv …, 2017 - ceur-ws.org
We introduce ADOnIS, an information system which coherently integrates two important, yet
mostly disparate data sources, namely structured, tabular data, and unstructured data in …

[PDF][PDF] Answering boolean hybrid questions with hawk

R Usbeck, E Körner, ACN Ngomo - NLIWOD workshop at …, 2015 - svn.aksw.org
The decentral architecture behind the Web has led to pieces of information being distributed
across data sources with varying structure. Hence, answering complex questions often …