distributions of queries over languages (left) and countries (right)
TCD DCU at LogCLEF 2009: An Analysis of Queries, Actions, and Interface Languages
... (cities, countries, etc), subject (as per Dewey Decimal Classification ), title (including proper nouns and common nouns), and type (document types, such as: text, image, sound, ...
10
Regular Languages are Testable with a Constant Number of Queries
... 2. S → SS; 3. S → γ , where γ denotes the empty word. Though the words of D n are not binary according to the above definition, we can easily encode them and the grammar describing them using only 0’s and 1’s. Thus we ...
23
Queries with negation and inequalities over lightweight ontologies
... conjunctive queries (CQs) have long played a key role due to their attractive theoretical prop- ...CQs over both lightweight and expressive ontology ...ontology languages with the following two ...
22
Diversify Are Queries Over Xml Data Words
... percent of duplicate bug reports can be removed in data reduction (198=532 ¼ 37:2% by CH ! ICF and 262=532 ¼ 49:2% by ICF ! CH). The reason for this fact is that it is hard to exactly detect noise and redundancy in ...
6
A Survey on Approximate Queries over XML Data
... all languages actually used for XML data [BC00] provide only exact answers to ...accurate queries may require high response ...approximate queries are supported, based on concise data statistics ...
8
Privacy-preserving Queries over Relational Databases
... PIR to retrieve data from a relational database. Second, we develop an approach for embedding PIR schemes into the well-established context and organization of relational database systems. It has been argued that ...
18
Queries with negation and inequalities over lightweight ontologies
... conjunctive queries (CQs) have long played a key role due to their attractive theoretical prop- ...CQs over both lightweight and expressive ontology ...ontology languages with the following two ...
23
Queries with negation and inequalities over lightweight ontologies
... conjunctive queries (CQs) have long played a key role due to their attractive theoretical prop- ...CQs over both lightweight and expressive ontology ...ontology languages with the following two ...
23
Answering regular path queries over SQ ontologies
... 1 Introduction The use of ontologies to access data has gained a lot of popu- larity in various research fields such as knowledge represen- tation and reasoning, and databases. In the ontology-based data access (OBDA) ...
19
Ontop: answering SPARQL queries over relational databases
... Statoil is an international energy company with main activities in gas and oil extraction. It is head- quartered in Norway and present in over 30 countries around the world. Geologists at Statoil require ...
18
Ontop: Answering SPARQL Queries over Relational Databases
... in over 30 countries around the ...comprises over 1500 SQL tables with information on historical exploration data ...defined queries. However, these pre-defined queries are often too ...
17
Relational Join Queries Over Grid-aware Architectures
... An important aspect of the security policy defined by Globus is that encrypted channels are not used. Globus is intended to be used internationally, and several countries all over the world have restrictive ...
186
Continuous Queries over Data Streams
... continuous queries over data streams and why conventional DBMS technology is ...continuous queries, often avoid- ing the use of a DBMS ...continuous queries over data streams would ...
12
Window Queries Over Data Streams
... Window-aggregate evaluation may benefit from a hybrid of eager and lazy aggregation. Massive data streams can often exhibit data skew, with a tail of many sparse groups in addition to a small number of dense groups. ...
201
Official languages in individual countries
... Belgium French, Dutch, German,.. Belarus Belarusian, Russian,.[r] ...
23
Evaluating probabilistic queries over uncertain matching
... evaluation over an inexact schema matching which is represented as a set of “possible mappings”, as well as the probabilities that they are ...evaluating queries through these mappings can be ...
13
Answering Approximate Queries over XML Data
... information over-burden issue, where an excess of data are incorporated into the appropriate response in light of the fact that the arrangement of watchwords indicated for the pursuit catches excessively numerous ...
12
Quality Awareness over Graph Pattern Queries
... complexity over arbitrary graph pattern queries (conjunctive regular path queries including regular expres- sions with variables on edges) is NP-complete ...Path Queries (CRPQ) Q, meaning ...
9
Processing Analytical Queries over Encrypted Data
... workloads over sensitive data on an untrusted database ...running queries over the en- crypted ...complex queries over encrypted data, as well as several techniques that improve ...
12
Processing Queries over Distributed XML Databases
... SQL queries in ...distributed queries over a virtually partitioned ...for queries that benefit from the ...environment. Queries that do not benefit from fragmentation presented inferior ...
16