add DOIs

Author: mtf90

algorithms/active/sparse/pom.xml

@@ -30,8 +30,8 @@ limitations under the License.
     <name>LearnLib :: Algorithms :: Sparse</name>
     <description>
         This artifact provides the implementation of the Sparse OT learning algorithm as described in the paper
-        "Learning Mealy Machines with Sparse Observation Tables" (TODO) by Wolffhardt Schwabe, Paul Kogel, and Sabine
-        Glesner.
+        "Learning Mealy Machines with Sparse Observation Tables" (https://doi.org/10.1007/978-3-032-05792-1_10) by
+        Wolffhardt Schwabe, Paul Kogel, and Sabine Glesner.
     </description>
 
     <dependencies>

algorithms/active/sparse/src/main/java/de/learnlib/algorithm/sparse/SparseLearner.java

@@ -24,8 +24,9 @@
 import net.automatalib.word.Word;
 
 /**
- * Optimized implementation of the Ls learning algorithm, as described in the paper <a href="TODO">Learning Mealy
- * Machines with Sparse Observation Tables</a> by Wolffhardt Schwabe, Paul Kogel, and Sabine Glesner.
+ * Optimized implementation of the Ls learning algorithm, as described in the paper <a
+ * href="https://doi.org/10.1007/978-3-032-05792-1_10">Learning Mealy Machines with Sparse Observation Tables</a> by
+ * Wolffhardt Schwabe, Paul Kogel, and Sabine Glesner.
  */
 public class SparseLearner<I, O> extends GenericSparseLearner<Integer, I, O> {
 

algorithms/active/sparse/src/main/java/module-info.java

@@ -16,8 +16,8 @@
 
 /**
  * This module provides the implementation of the Sparse OT learning algorithm as described in the paper <a
- * href="TODO">Learning Mealy Machines with Sparse Observation Tables</a> by Wolffhardt Schwabe, Paul Kogel, and Sabine
- * Glesner.
+ * href="https://doi.org/10.1007/978-3-032-05792-1_10">Learning Mealy Machines with Sparse Observation Tables</a> by
+ * Wolffhardt Schwabe, Paul Kogel, and Sabine Glesner.
  * <p>
  * This module is provided by the following Maven dependency:
  * <pre>