diff --git a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5.aql b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5.aql
new file mode 100644
index 0000000..5e5ecc8
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_5.aql
@@ -0,0 +1,35 @@
+/*
+* Description  : Create an  dataset and load it from two file splits 
+                 Use hint (cardinality) for the created dataset.
+* Expected Res : Success
+* Date         : 30th Jan 2013
+*/
+
+/* scan and print an ADM file as a dataset of closed records */
+
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type DBLPType as closed {
+  id: int32, 
+  dblpid: string,
+  title: string,
+  authors: string,
+  misc: string
+}
+
+create dataset DBLPadm(DBLPType) 
+partitioned by key id
+hints(cardinality=200);
+
+// drop dataset DBLPadm;
+load dataset DBLPadm 
+using "edu.uci.ics.asterix.external.dataset.adapter.NCFileSystemAdapter" 
+(("path"="nc1://data/dblp-small/part-00000.adm,nc1://data/dblp-small/part-00001.adm"),("format"="adm"));
+
+write output to nc1:"rttest/hints_issue_251_dataset_hint_5.adm";
+
+for $paper in dataset('DBLPadm')
+order by $paper.id
+return $paper
diff --git a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_6.aql b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_6.aql
new file mode 100644
index 0000000..889daa7
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_6.aql
@@ -0,0 +1,28 @@
+/*
+* Description  : Create an external dataset that contains a tuples, the lines from a (*sequence*) file in HDFS.
+                 Provide hint(cardinality) when creating the dataset.
+                 Perform a word-count over the data in the dataset.
+* Expected Res : Success
+* Date         : 30th Jan 2013
+*/
+drop dataverse test if exists;
+create dataverse test;
+use dataverse test;
+
+create type LineType as closed {
+ content: string
+};
+
+create external dataset TextDataset(LineType)
+using "hdfs"
+(("hdfs"="hdfs://127.0.0.1:31888"),("path"="/asterix/textFileS"),("input-format"="sequence-input-format"),("format"="delimited-text"),("delimiter"="."))
+hints(cardinality=10);
+
+write output to nc1:"rttest/hints_issue_251_dataset_hint_6.adm";
+
+for $line in dataset('TextDataset')
+let $tokens := word-tokens($line.content)
+for $token in $tokens
+group by $tok := $token with $token
+order by $tok
+return { "word": $tok, "count": count($token) }
diff --git a/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7.aql b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7.aql
new file mode 100644
index 0000000..d06e2a7
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/queries/hints/issue_251_dataset_hint_7.aql
@@ -0,0 +1,33 @@
+/*
+ * Description  : Create a feed dataset that uses the feed simulator adapter. 
+                  Use hint (cardinality) for the feed dataset.
+                  Begin ingestion using a fully qualified name and verify contents of the dataset post completion.  
+ * Expected Res : Success
+ * Date         : 30th Jan 2013
+ */
+drop dataverse feeds if exists;
+create dataverse feeds;
+use dataverse feeds;
+
+create type TweetType as closed {
+  id: string,
+  username : string,
+  location : string,
+  text : string,
+  timestamp : string
+}      
+
+create feed dataset TweetFeed(TweetType)
+using "edu.uci.ics.asterix.tools.external.data.RateControlledFileSystemBasedAdapterFactory"
+(("fs"="localfs"),("path"="nc1://data/twitter/obamatweets.adm"),("format"="adm"),("output-type-name"="TweetType"),("tuple-interval"="10"))
+partitioned by key id
+hints(cardinality=200);
+
+begin feed feeds.TweetFeed; 
+
+write output to nc1:"rttest/hints_issue_251_dataset_hint_7.adm";
+
+for $x in dataset('TweetFeed')
+return $x
+
+drop dataverse feeds;
diff --git a/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_5.adm b/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_5.adm
new file mode 100644
index 0000000..a7ec8f6
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_5.adm
@@ -0,0 +1,100 @@
+{ "id": 1, "dblpid": "books/acm/kim95/AnnevelinkACFHK95", "title": "Object SQL - A Language for the Design and Implementation of Object Databases.", "authors": "Jurgen Annevelink Rafiul Ahad Amelia Carlson Daniel H. Fishman Michael L. Heytens William Kent", "misc": "2002-01-03 42-68 1995 Modern Database Systems db/books/collections/kim95.html#AnnevelinkACFHK95" }
+{ "id": 2, "dblpid": "books/acm/kim95/Blakeley95", "title": "OQL[C++]  Extending C++ with an Object Query Capability.", "authors": "José A. Blakeley", "misc": "2002-01-03 69-88 Modern Database Systems db/books/collections/kim95.html#Blakeley95 1995" }
+{ "id": 3, "dblpid": "books/acm/kim95/BreitbartGS95", "title": "Transaction Management in Multidatabase Systems.", "authors": "Yuri Breitbart Hector Garcia-Molina Abraham Silberschatz", "misc": "2004-03-08 573-591 Modern Database Systems books/acm/Kim95 db/books/collections/kim95.html#BreitbartGS95 1995" }
+{ "id": 4, "dblpid": "books/acm/kim95/ChristodoulakisK95", "title": "Multimedia Information Systems  Issues and Approaches.", "authors": "Stavros Christodoulakis Leonidas Koveos", "misc": "2002-01-03 318-337 1995 Modern Database Systems db/books/collections/kim95.html#ChristodoulakisK95" }
+{ "id": 5, "dblpid": "books/acm/kim95/DayalHW95", "title": "Active Database Systems.", "authors": "Umeshwar Dayal Eric N. Hanson Jennifer Widom", "misc": "2002-01-03 434-456 1995 Modern Database Systems db/books/collections/kim95.html#DayalHW95" }
+{ "id": 6, "dblpid": "books/acm/kim95/DittrichD95", "title": "Where Object-Oriented DBMSs Should Do Better  A Critique Based on Early Experiences.", "authors": "Angelika Kotz Dittrich Klaus R. Dittrich", "misc": "2002-01-03 238-254 1995 Modern Database Systems db/books/collections/kim95.html#DittrichD95" }
+{ "id": 7, "dblpid": "books/acm/kim95/Garcia-MolinaH95", "title": "Distributed Databases.", "authors": "Hector Garcia-Molina Meichun Hsu", "misc": "2002-01-03 477-493 1995 Modern Database Systems db/books/collections/kim95.html#Garcia-MolinaH95" }
+{ "id": 8, "dblpid": "books/acm/kim95/Goodman95", "title": "An Object-Oriented DBMS War Story  Developing a Genome Mapping Database in C++.", "authors": "Nathan Goodman", "misc": "2002-01-03 216-237 1995 Modern Database Systems db/books/collections/kim95.html#Goodman95" }
+{ "id": 9, "dblpid": "books/acm/kim95/Kaiser95", "title": "Cooperative Transactions for Multiuser Environments.", "authors": "Gail E. Kaiser", "misc": "2002-01-03 409-433 1995 Modern Database Systems db/books/collections/kim95.html#Kaiser95" }
+{ "id": 10, "dblpid": "books/acm/kim95/KelleyGKRG95", "title": "Schema Architecture of the UniSQL/M Multidatabase System", "authors": "William Kelley Sunit K. Gala Won Kim Tom C. Reyes Bruce Graham", "misc": "2004-03-08 Modern Database Systems books/acm/Kim95 621-648 1995 db/books/collections/kim95.html#KelleyGKRG95" }
+{ "id": 11, "dblpid": "books/acm/kim95/KemperM95", "title": "Physical Object Management.", "authors": "Alfons Kemper Guido Moerkotte", "misc": "2002-01-03 175-202 1995 Modern Database Systems db/books/collections/kim95.html#KemperM95" }
+{ "id": 12, "dblpid": "books/acm/kim95/Kim95", "title": "Introduction to Part 1  Next-Generation Database Technology.", "authors": "Won Kim", "misc": "2002-01-03 5-17 1995 Modern Database Systems db/books/collections/kim95.html#Kim95" }
+{ "id": 13, "dblpid": "books/acm/kim95/Kim95a", "title": "Object-Oriented Database Systems  Promises, Reality, and Future.", "authors": "Won Kim", "misc": "2002-01-03 255-280 1995 Modern Database Systems db/books/collections/kim95.html#Kim95a" }
+{ "id": 14, "dblpid": "books/acm/kim95/Kim95b", "title": "Introduction to Part 2  Technology for Interoperating Legacy Databases.", "authors": "Won Kim", "misc": "2002-01-03 515-520 1995 Modern Database Systems db/books/collections/kim95.html#Kim95b" }
+{ "id": 15, "dblpid": "books/acm/kim95/KimCGS95", "title": "On Resolving Schematic Heterogeneity in Multidatabase Systems.", "authors": "Won Kim Injun Choi Sunit K. Gala Mark Scheevel", "misc": "2002-01-03 521-550 1995 Modern Database Systems db/books/collections/kim95.html#KimCGS95" }
+{ "id": 16, "dblpid": "books/acm/kim95/KimG95", "title": "Requirements for a Performance Benchmark for Object-Oriented Database Systems.", "authors": "Won Kim Jorge F. Garza", "misc": "2002-01-03 203-215 1995 Modern Database Systems db/books/collections/kim95.html#KimG95" }
+{ "id": 17, "dblpid": "books/acm/kim95/KimK95", "title": "On View Support in Object-Oriented Databases Systems.", "authors": "Won Kim William Kelley", "misc": "2002-01-03 108-129 1995 Modern Database Systems db/books/collections/kim95.html#KimK95" }
+{ "id": 18, "dblpid": "books/acm/kim95/Kowalski95", "title": "The POSC Solution to Managing E&P Data.", "authors": "Vincent J. Kowalski", "misc": "2002-01-03 281-301 1995 Modern Database Systems db/books/collections/kim95.html#Kowalski95" }
+{ "id": 19, "dblpid": "books/acm/kim95/KriegerA95", "title": "C++ Bindings to an Object Database.", "authors": "David Krieger Tim Andrews", "misc": "2002-01-03 89-107 1995 Modern Database Systems db/books/collections/kim95.html#KriegerA95" }
+{ "id": 20, "dblpid": "books/acm/kim95/Lunt95", "title": "Authorization in Object-Oriented Databases.", "authors": "Teresa F. Lunt", "misc": "2002-01-03 130-145 1995 Modern Database Systems db/books/collections/kim95.html#Lunt95" }
+{ "id": 21, "dblpid": "books/acm/kim95/MengY95", "title": "Query Processing in Multidatabase Systems.", "authors": "Weiyi Meng Clement T. Yu", "misc": "2002-01-03 551-572 1995 Modern Database Systems db/books/collections/kim95.html#MengY95" }
+{ "id": 22, "dblpid": "books/acm/kim95/Motro95", "title": "Management of Uncerainty in database Systems.", "authors": "Amihai Motro", "misc": "2002-01-03 457-476 1995 Modern Database Systems db/books/collections/kim95.html#Motro95" }
+{ "id": 23, "dblpid": "books/acm/kim95/Omiecinski95", "title": "Parallel Relational Database Systems.", "authors": "Edward Omiecinski", "misc": "2002-01-03 494-512 1995 Modern Database Systems db/books/collections/kim95.html#Omiecinski95" }
+{ "id": 24, "dblpid": "books/acm/kim95/OzsuB95", "title": "Query Processing in Object-Oriented Database Systems.", "authors": "M. Tamer Özsu José A. Blakeley", "misc": "2002-01-03 146-174 1995 Modern Database Systems db/books/collections/kim95.html#OzsuB95" }
+{ "id": 25, "dblpid": "books/acm/kim95/RusinkiewiczS95", "title": "Specification and Execution of Transactional Workflows.", "authors": "Marek Rusinkiewicz Amit P. Sheth", "misc": "2004-03-08 592-620 Modern Database Systems books/acm/Kim95 db/books/collections/kim95.html#RusinkiewiczS95 1995" }
+{ "id": 26, "dblpid": "books/acm/kim95/Samet95", "title": "Spatial Data Structures.", "authors": "Hanan Samet", "misc": "2004-03-08 361-385 Modern Database Systems books/acm/Kim95 db/books/collections/kim95.html#Samet95 1995" }
+{ "id": 27, "dblpid": "books/acm/kim95/SametA95", "title": "Spatial Data Models and Query Processing.", "authors": "Hanan Samet Walid G. Aref", "misc": "2002-01-03 338-360 1995 Modern Database Systems db/books/collections/kim95.html#SametA95" }
+{ "id": 28, "dblpid": "books/acm/kim95/ShanADDK95", "title": "Pegasus  A Heterogeneous Information Management System.", "authors": "Ming-Chien Shan Rafi Ahmed Jim Davis Weimin Du William Kent", "misc": "2004-03-08 664-682 Modern Database Systems books/acm/Kim95 db/books/collections/kim95.html#ShanADDK95 1995" }
+{ "id": 29, "dblpid": "books/acm/kim95/Snodgrass95", "title": "Temporal Object-Oriented Databases  A Critical Comparison.", "authors": "Richard T. Snodgrass", "misc": "2002-01-03 386-408 1995 Modern Database Systems db/books/collections/kim95.html#Snodgrass95" }
+{ "id": 30, "dblpid": "books/acm/kim95/SoleyK95", "title": "The OMG Object Model.", "authors": "Richard Mark Soley William Kent", "misc": "2002-01-03 18-41 1995 Modern Database Systems db/books/collections/kim95.html#SoleyK95" }
+{ "id": 31, "dblpid": "books/acm/kim95/Stout95", "title": "EDA/SQL.", "authors": "Ralph L. Stout", "misc": "2004-03-08 649-663 Modern Database Systems books/acm/Kim95 db/books/collections/kim95.html#Stout95 1995" }
+{ "id": 32, "dblpid": "books/acm/kim95/Thompson95", "title": "The Changing Database Standards Landscape.", "authors": "Craig W. Thompson", "misc": "2002-01-03 302-317 1995 Modern Database Systems db/books/collections/kim95.html#Thompson95" }
+{ "id": 33, "dblpid": "books/acm/kim95/BreitbartR95", "title": "Overview of the ADDS System.", "authors": "Yuri Breitbart Tom C. Reyes", "misc": "2009-06-12 683-701 Modern Database Systems books/acm/Kim95 db/books/collections/kim95.html#BreitbartR95 1995" }
+{ "id": 34, "dblpid": "books/acm/Kim95", "title": "Modern Database Systems  The Object Model, Interoperability, and Beyond.", "authors": "", "misc": "2004-03-08 Won Kim Modern Database Systems ACM Press and Addison-Wesley 1995 0-201-59098-0 db/books/collections/kim95.html" }
+{ "id": 35, "dblpid": "books/ap/MarshallO79", "title": "Inequalities  Theory of Majorization and Its Application.", "authors": "Albert W. Marshall Ingram Olkin", "misc": "2002-01-03 Academic Press 1979 0-12-473750-1" }
+{ "id": 36, "dblpid": "books/aw/kimL89/BjornerstedtH89", "title": "Version Control in an Object-Oriented Architecture.", "authors": "Anders Björnerstedt Christer Hulten", "misc": "2006-02-24 451-485 Object-Oriented Concepts, Databases, and Applications ACM Press and Addison-Wesley 1989 db/books/collections/kim89.html#BjornerstedtH89" }
+{ "id": 37, "dblpid": "books/aw/kimL89/BretlMOPSSWW89", "title": "The GemStone Data Management System.", "authors": "Robert Bretl David Maier Allen Otis D. Jason Penney Bruce Schuchardt Jacob Stein E. Harold Williams Monty Williams", "misc": "2002-01-03 283-308 Object-Oriented Concepts, Databases, and Applications ACM Press and Addison-Wesley 1989 db/books/collections/kim89.html#BretlMOPSSWW89" }
+{ "id": 38, "dblpid": "books/aw/kimL89/CareyDRS89", "title": "Storage Management in EXODUS.", "authors": "Michael J. Carey David J. DeWitt Joel E. Richardson Eugene J. Shekita", "misc": "2002-01-03 341-369 Object-Oriented Concepts, Databases, and Applications ACM Press and Addison-Wesley 1989 db/books/collections/kim89.html#CareyDRS89" }
+{ "id": 39, "dblpid": "books/aw/kimL89/Decouchant89", "title": "A Distributed Object Manager for the Smalltalk-80 System.", "authors": "Dominique Decouchant", "misc": "2002-01-03 487-520 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#Decouchant89" }
+{ "id": 40, "dblpid": "books/aw/kimL89/DiederichM89", "title": "Objects, Messages, and Rules in Database Design.", "authors": "Jim Diederich Jack Milton", "misc": "2002-01-03 177-197 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#DiederichM89" }
+{ "id": 41, "dblpid": "books/aw/kimL89/EllisG89", "title": "Active Objects  Ealities and Possibilities.", "authors": "Clarence A. Ellis Simon J. Gibbs", "misc": "2002-01-03 561-572 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#EllisG89" }
+{ "id": 42, "dblpid": "books/aw/kimL89/FishmanABCCDHHKLLMNRSW89", "title": "Overview of the Iris DBMS.", "authors": "Daniel H. Fishman Jurgen Annevelink David Beech E. C. Chow Tim Connors J. W. Davis Waqar Hasan C. G. Hoch William Kent S. Leichner Peter Lyngbæk Brom Mahbod Marie-Anne Neimat Tore Risch Ming-Chien Shan W. Kevin Wilkinson", "misc": "2002-01-03 219-250 Object-Oriented Concepts, Databases, and Applications ACM Press and Addison-Wesley 1989 db/books/collections/kim89.html#FishmanABCCDHHKLLMNRSW89" }
+{ "id": 43, "dblpid": "books/aw/kimL89/KimBCGW89", "title": "Features of the ORION Object-Oriented Database System.", "authors": "Won Kim Nat Ballou Hong-Tai Chou Jorge F. Garza Darrell Woelk", "misc": "2002-01-03 251-282 Object-Oriented Concepts, Databases, and Applications ACM Press and Addison-Wesley 1989 db/books/collections/kim89.html#KimBCGW89" }
+{ "id": 44, "dblpid": "books/aw/kimL89/KimKD89", "title": "Indexing Techniques for Object-Oriented Databases.", "authors": "Won Kim Kyung-Chang Kim Alfred G. Dale", "misc": "2002-01-03 371-394 Object-Oriented Concepts, Databases, and Applications ACM Press and Addison-Wesley 1989 db/books/collections/kim89.html#KimKD89" }
+{ "id": 45, "dblpid": "books/aw/kimL89/King89", "title": "My Cat Is Object-Oriented.", "authors": "Roger King", "misc": "2002-01-03 23-30 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#King89" }
+{ "id": 46, "dblpid": "books/aw/kimL89/Maier89", "title": "Making Database Systems Fast Enough for CAD Applications.", "authors": "David Maier", "misc": "2002-01-03 573-582 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#Maier89" }
+{ "id": 47, "dblpid": "books/aw/kimL89/MellenderRS89", "title": "Optimizing Smalltalk Message Performance.", "authors": "Fred Mellender Steve Riegel Andrew Straw", "misc": "2002-01-03 423-450 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#MellenderRS89" }
+{ "id": 48, "dblpid": "books/aw/kimL89/Moon89", "title": "The Common List Object-Oriented Programming Language Standard.", "authors": "David A. Moon", "misc": "2002-01-03 49-78 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#Moon89" }
+{ "id": 49, "dblpid": "books/aw/kimL89/Moss89", "title": "Object Orientation as Catalyst for Language-Database Inegration.", "authors": "J. Eliot B. Moss", "misc": "2002-01-03 583-592 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#Moss89" }
+{ "id": 50, "dblpid": "books/aw/kimL89/Nierstrasz89", "title": "A Survey of Object-Oriented Concepts.", "authors": "Oscar Nierstrasz", "misc": "2002-01-03 3-21 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#Nierstrasz89" }
+{ "id": 51, "dblpid": "books/aw/kimL89/NierstraszT89", "title": "Integrated Office Systems.", "authors": "Oscar Nierstrasz Dennis Tsichritzis", "misc": "2002-01-03 199-215 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#NierstraszT89" }
+{ "id": 52, "dblpid": "books/aw/kimL89/Russinoff89", "title": "Proteus  A Frame-Based Nonmonotonic Inference System.", "authors": "David M. Russinoff", "misc": "2002-01-03 127-150 Object-Oriented Concepts, Databases, and Applications ACM Press and Addison-Wesley 1989 db/books/collections/kim89.html#Russinoff89" }
+{ "id": 53, "dblpid": "books/aw/kimL89/SkarraZ89", "title": "Concurrency Control and Object-Oriented Databases.", "authors": "Andrea H. Skarra Stanley B. Zdonik", "misc": "2002-01-03 395-421 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#SkarraZ89" }
+{ "id": 54, "dblpid": "books/aw/kimL89/SteinLU89", "title": "A Shared View of Sharing  The Treaty of Orlando.", "authors": "Lynn Andrea Stein Henry Lieberman David Ungar", "misc": "2002-01-03 31-48 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#SteinLU89" }
+{ "id": 55, "dblpid": "books/aw/kimL89/TarltonT89", "title": "Pogo  A Declarative Representation System for Graphics.", "authors": "Mark A. Tarlton P. Nong Tarlton", "misc": "2002-01-03 151-176 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#TarltonT89" }
+{ "id": 56, "dblpid": "books/aw/kimL89/TomlinsonS89", "title": "Concurrent Object-Oriented Programming Languages.", "authors": "Chris Tomlinson Mark Scheevel", "misc": "2002-01-03 79-124 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#TomlinsonS89" }
+{ "id": 57, "dblpid": "books/aw/kimL89/TsichritzisN89", "title": "Directions in Object-Oriented Research.", "authors": "Dennis Tsichritzis Oscar Nierstrasz", "misc": "2002-01-03 523-536 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#TsichritzisN89" }
+{ "id": 58, "dblpid": "books/aw/kimL89/Wand89", "title": "A Proposal for a Formal Model of Objects.", "authors": "Yair Wand", "misc": "2002-01-03 537-559 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#Wand89" }
+{ "id": 59, "dblpid": "books/aw/kimL89/WeiserL89", "title": "OZ+  An Object-Oriented Database System.", "authors": "Stephen P. Weiser Frederick H. Lochovsky", "misc": "2002-01-03 309-337 1989 Object-Oriented Concepts, Databases, and Applications db/books/collections/kim89.html#WeiserL89" }
+{ "id": 60, "dblpid": "books/aw/stonebraker86/RoweS86", "title": "The Commercial INGRES Epilogue.", "authors": "Lawrence A. Rowe Michael Stonebraker", "misc": "2002-01-03 63-82 1986 The INGRES Papers db/books/collections/Stonebraker86.html#RoweS86 db/books/collections/Stonebraker86/RoweS86.html ingres/P063.pdf" }
+{ "id": 61, "dblpid": "books/aw/stonebraker86/Stonebraker86", "title": "Design of Relational Systems (Introduction to Section 1).", "authors": "Michael Stonebraker", "misc": "2002-01-03 1-3 1986 The INGRES Papers db/books/collections/Stonebraker86.html#Stonebraker86 db/books/collections/Stonebraker86/Stonebraker86.html ingres/P001.pdf" }
+{ "id": 62, "dblpid": "books/aw/stonebraker86/Stonebraker86a", "title": "Supporting Studies on Relational Systems (Introduction to Section 2).", "authors": "Michael Stonebraker", "misc": "2002-01-03 83-85 1986 The INGRES Papers db/books/collections/Stonebraker86.html#Stonebraker86a db/books/collections/Stonebraker86/Stonebraker86a.html ingres/P083.pdf" }
+{ "id": 63, "dblpid": "books/aw/stonebraker86/Stonebraker86b", "title": "Distributed Database Systems (Introduction to Section 3).", "authors": "Michael Stonebraker", "misc": "2002-01-03 183-186 1986 The INGRES Papers db/books/collections/Stonebraker86.html#Stonebraker86b db/books/collections/Stonebraker86/Stonebraker86b.html ingres/P183.pdf" }
+{ "id": 64, "dblpid": "books/aw/stonebraker86/Stonebraker86c", "title": "The Design and Implementation of Distributed INGRES.", "authors": "Michael Stonebraker", "misc": "2002-01-03 187-196 1986 The INGRES Papers db/books/collections/Stonebraker86.html#Stonebraker86c db/books/collections/Stonebraker86/Stonebraker86c.html ingres/P187.pdf" }
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+{ "id": 82, "dblpid": "conf/focs/AspnesW92", "title": "Randomized Consensus in Expected O(n log ^2 n) Operations Per Processor", "authors": "James Aspnes Orli Waarts", "misc": "2006-04-25 137-146 conf/focs/FOCS33 1992 FOCS db/conf/focs/focs92.html#AspnesW92" }
+{ "id": 83, "dblpid": "journals/siamcomp/Bloniarz83", "title": "A Shortest-Path Algorithm with Expected Time O(n² log n log* n).", "authors": "Peter A. Bloniarz", "misc": "2002-01-03 588-600 1983 12 SIAM J. Comput. 3 db/journals/siamcomp/siamcomp12.html#Bloniarz83" }
+{ "id": 84, "dblpid": "conf/stoc/Bloniarz80", "title": "A Shortest-Path Algorithm with Expected Time O(n^2 log n log ^* n)", "authors": "Peter A. Bloniarz", "misc": "2006-04-25 378-384 conf/stoc/STOC12 1980 STOC db/conf/stoc/stoc80.html#Bloniarz80" }
+{ "id": 85, "dblpid": "journals/siamcomp/Megiddo83a", "title": "Linear-Time Algorithms for Linear Programming in R³ and Related Problems.", "authors": "Nimrod Megiddo", "misc": "2002-01-03 759-776 1983 12 SIAM J. Comput. 4 db/journals/siamcomp/siamcomp12.html#Megiddo83a" }
+{ "id": 86, "dblpid": "conf/focs/Megiddo82", "title": "Linear-Time Algorithms for Linear Programming in R^3 and Related Problems", "authors": "Nimrod Megiddo", "misc": "2006-04-25 329-338 conf/focs/FOCS23 1982 FOCS db/conf/focs/focs82.html#Megiddo82" }
+{ "id": 87, "dblpid": "journals/siamcomp/MoffatT87", "title": "An All Pairs Shortest Path Algorithm with Expected Time O(n² log n).", "authors": "Alistair Moffat Tadao Takaoka", "misc": "2002-01-03 1023-1031 1987 16 SIAM J. Comput. 6 db/journals/siamcomp/siamcomp16.html#MoffatT87" }
+{ "id": 88, "dblpid": "conf/focs/MoffatT85", "title": "An All Pairs Shortest Path Algorithm with Expected Running Time O(n^2 log n)", "authors": "Alistair Moffat Tadao Takaoka", "misc": "2006-04-25 101-105 conf/focs/FOCS26 1985 FOCS db/conf/focs/focs85.html#MoffatT85" }
+{ "id": 89, "dblpid": "conf/icip/SchonfeldL98", "title": "VORTEX  Video Retrieval and Tracking from Compressed Multimedia Databases.", "authors": "Dan Schonfeld Dan Lelescu", "misc": "2002-11-05 123-127 1998 ICIP (3) db/conf/icip/icip1998-3.html#SchonfeldL98" }
+{ "id": 90, "dblpid": "conf/hicss/SchonfeldL99", "title": "VORTEX  Video Retrieval and Tracking from Compressed Multimedia Databases ¾ Visual Search Engine.", "authors": "Dan Schonfeld Dan Lelescu", "misc": "2002-01-03 1999 HICSS http //computer.org/proceedings/hicss/0001/00013/00013006abs.htm db/conf/hicss/hicss1999-3.html#SchonfeldL99" }
+{ "id": 91, "dblpid": "journals/corr/abs-0802-2861", "title": "Geometric Set Cover and Hitting Sets for Polytopes in $R^3$", "authors": "Sören Laue", "misc": "2008-03-03 http //arxiv.org/abs/0802.2861 2008 CoRR abs/0802.2861 db/journals/corr/corr0802.html#abs-0802-2861 informal publication" }
+{ "id": 92, "dblpid": "conf/stacs/Laue08", "title": "Geometric Set Cover and Hitting Sets for Polytopes in R³.", "authors": "Sören Laue", "misc": "2008-03-04 2008 STACS 479-490 http //drops.dagstuhl.de/opus/volltexte/2008/1367 conf/stacs/2008 db/conf/stacs/stacs2008.html#Laue08" }
+{ "id": 93, "dblpid": "journals/iandc/IbarraJCR91", "title": "Some Classes of Languages in NC¹", "authors": "Oscar H. Ibarra Tao Jiang Jik H. Chang Bala Ravikumar", "misc": "2006-04-25 86-106 Inf. Comput. January 1991 90 1 db/journals/iandc/iandc90.html#IbarraJCR91" }
+{ "id": 94, "dblpid": "conf/awoc/IbarraJRC88", "title": "On Some Languages in NC.", "authors": "Oscar H. Ibarra Tao Jiang Bala Ravikumar Jik H. Chang", "misc": "2002-08-06 64-73 1988 conf/awoc/1988 AWOC db/conf/awoc/awoc88.html#IbarraJRC88" }
+{ "id": 95, "dblpid": "journals/jacm/GalilHLSW87", "title": "An O(n³log n) deterministic and an O(n³) Las Vegs isomorphism test for trivalent graphs.", "authors": "Zvi Galil Christoph M. Hoffmann Eugene M. Luks Claus-Peter Schnorr Andreas Weber", "misc": "2003-11-20 513-531 1987 34 J. ACM 3 http //doi.acm.org/10.1145/28869.28870 db/journals/jacm/jacm34.html#GalilHLSW87" }
+{ "id": 96, "dblpid": "conf/focs/GalilHLSW82", "title": "An O(n^3 log n) Deterministic and an O(n^3) Probabilistic Isomorphism Test for Trivalent Graphs", "authors": "Zvi Galil Christoph M. Hoffmann Eugene M. Luks Claus-Peter Schnorr Andreas Weber", "misc": "2006-04-25 118-125 conf/focs/FOCS23 1982 FOCS db/conf/focs/focs82.html#GalilHLSW82" }
+{ "id": 97, "dblpid": "journals/jacm/GalilT88", "title": "An O(n²(m + n log n)log n) min-cost flow algorithm.", "authors": "Zvi Galil Éva Tardos", "misc": "2003-11-20 374-386 1988 35 J. ACM 2 http //doi.acm.org/10.1145/42282.214090 db/journals/jacm/jacm35.html#GalilT88" }
+{ "id": 98, "dblpid": "conf/focs/GalilT86", "title": "An O(n^2 (m + n log n) log n) Min-Cost Flow Algorithm", "authors": "Zvi Galil Éva Tardos", "misc": "2006-04-25 1-9 conf/focs/FOCS27 1986 FOCS db/conf/focs/focs86.html#GalilT86" }
+{ "id": 99, "dblpid": "series/synthesis/2009Weintraub", "title": "Jordan Canonical Form  Theory and Practice", "authors": "Steven H. Weintraub", "misc": "2009-09-06 Jordan Canonical Form  Theory and Practice http //dx.doi.org/10.2200/S00218ED1V01Y200908MAS006 http //dx.doi.org/10.2200/S00218ED1V01Y200908MAS006 2009 Synthesis Lectures on Mathematics & Statistics Morgan & Claypool Publishers" }
+{ "id": 100, "dblpid": "series/synthesis/2009Brozos", "title": "The Geometry of Walker Manifolds", "authors": "Miguel Brozos-Vázquez Eduardo García-Río Peter Gilkey Stana Nikcevic Rámon Vázquez-Lorenzo", "misc": "2009-09-06 The Geometry of Walker Manifolds http //dx.doi.org/10.2200/S00197ED1V01Y200906MAS005 http //dx.doi.org/10.2200/S00197ED1V01Y200906MAS005 2009 Synthesis Lectures on Mathematics & Statistics Morgan & Claypool Publishers" }
diff --git a/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_6.adm b/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_6.adm
new file mode 100644
index 0000000..d7ae022
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_6.adm
@@ -0,0 +1,5 @@
+{ "word": "am", "count": 1 }
+{ "word": "grover", "count": 1 }
+{ "word": "hi", "count": 1 }
+{ "word": "i", "count": 1 }
+{ "word": "raman", "count": 1 }
diff --git a/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_7.adm b/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_7.adm
new file mode 100644
index 0000000..9720960
--- /dev/null
+++ b/asterix-app/src/test/resources/runtimets/results/hints/issue_251_dataset_hint_7.adm
@@ -0,0 +1,12 @@
+{ "id": "nc1:1", "username": "BronsonMike", "location": "", "text": "@GottaLaff @reutersus Christie and obama just foul weather friends", "timestamp": "Thu Dec 06 16:53:06 PST 2012" }
+{ "id": "nc1:100", "username": "KidrauhlProuds", "location": "", "text": "RT @01Direclieber: A filha do Michael Jackson  uma Belieber,a filha do Eminem e uma Belieber,as filhas de Obama sao Beliebers, e a filha do meu pai e Belieber", "timestamp": "Thu Dec 06 16:53:16 PST 2012" }
+{ "id": "nc1:102", "username": "jaysauce82", "location": "", "text": "Not voting for President Obama #BadDecision", "timestamp": "Thu Dec 06 16:53:16 PST 2012" }
+{ "id": "nc1:104", "username": "princeofsupras", "location": "", "text": "RT @01Direclieber: A filha do Michael Jackson e uma Belieber,a filha do Eminem e uma Belieber,as filhas de Obama sao Beliebers, e a filha do meu pai e Belieber", "timestamp": "Thu Dec 06 16:53:15 PST 2012" }
+{ "id": "nc1:106", "username": "GulfDogs", "location": "", "text": "Obama Admin Knew Libyan Terrorists Had US-Provided Weaponsteaparty #tcot #ccot #NewGuards #BreitbartArmy #patriotwttp://t.co/vJxzrQUE", "timestamp": "Thu Dec 06 16:53:14 PST 2012" }
+{ "id": "nc1:108", "username": "Laugzpz", "location": "", "text": "@AlfredoJalife Maestro Obama se hace de la vista gorda, es un acuerdo de siempre creo yo.", "timestamp": "Thu Dec 06 16:53:14 PST 2012" }
+{ "id": "nc1:11", "username": "magarika", "location": "", "text": "RT @ken24xavier: Obama tells SOROS - our plan is ALMOST finished http://t.co/WvzK0GtU", "timestamp": "Thu Dec 06 16:53:05 PST 2012" }
+{ "id": "nc1:111", "username": "ToucanMall", "location": "", "text": "RT @WorldWar3Watch: Michelle Obama Gets More Grammy Nominations Than Justin ...  #Obama #WW3 http://t.co/0Wv2GKij", "timestamp": "Thu Dec 06 16:53:13 PST 2012" }
+{ "id": "nc1:113", "username": "ToucanMall", "location": "", "text": "RT @ObamaPalooza: Tiffany Shared What $2,000 Meant to Her ... and the President Stopped by to Talk About It http://t.co/sgT7lsNV #Obama", "timestamp": "Thu Dec 06 16:53:12 PST 2012" }
+{ "id": "nc1:115", "username": "thewildpitch", "location": "", "text": "RT @RevkahJC: Dennis Miller: Obama Should Just Say He Wants To Tax Successful People http://t.co/Ihlemy9Y", "timestamp": "Thu Dec 06 16:53:11 PST 2012" }
+{ "id": "nc1:117", "username": "Rnugent24", "location": "", "text": "RT @ConservativeQuo: unemployment is above 8% again. I wonder how long it will take for Obama to start blaming Bush? 3-2-1 #tcot #antiobama", "timestamp": "Thu Dec 06 16:53:10 PST 2012" }
+{ "id": "nc1:119", "username": "ToucanMall", "location": "", "text": "RT @Newitrsdotcom: I hope #Obama will win re-election... Other four years without meaningless #wars", "timestamp": "Thu Dec 06 16:53:09 PST 2012" }
diff --git a/asterix-app/src/test/resources/runtimets/testsuite.xml b/asterix-app/src/test/resources/runtimets/testsuite.xml
index a423945..e57d491 100644
--- a/asterix-app/src/test/resources/runtimets/testsuite.xml
+++ b/asterix-app/src/test/resources/runtimets/testsuite.xml
@@ -3835,6 +3835,23 @@
       </compilation-unit>
     </test-case>
   </test-group>
+  <test-group name="hints">
+    <test-case FilePath="hints">
+      <compilation-unit name="issue_251_dataset_hint_5">
+        <output-file compare="Text">issue_251_dataset_hint_5.adm</output-file>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="hints">
+      <compilation-unit name="issue_251_dataset_hint_6">
+        <output-file compare="Text">issue_251_dataset_hint_6.adm</output-file>
+      </compilation-unit>
+    </test-case>
+    <test-case FilePath="hints">
+      <compilation-unit name="issue_251_dataset_hint_7">
+        <output-file compare="Text">issue_251_dataset_hint_7.adm</output-file>
+      </compilation-unit>
+    </test-case>
+  </test-group>
   <test-group name="feeds">
     <test-case FilePath="feeds">
       <compilation-unit name="feeds_01">