Yale Talk November 2009

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In this talk I will look at the SAO/NASA Astrophysics Data System (ADS) from various
perspectives. The ADS contains a wealth of data for astronomers and librarians alike,
yet the vast majority of usage consists of rudimentary searches. I will provide some
suggestions on how to obtain more focused search results by using the various
capabilities of the ADS like searching by affiliation, using private libraries, performing
"topic searches" and using RSS feeds. Do you know how to disable synonym
replacement? Are you interested in knowing how to compile a bibliography and export it
in your favorite format? Finally, I'll touch upon some subjects we are and will be
exploring, like topic maps, data search and literature recommendation. When you are in
the business of information technology, you are never done.

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Yale Talk November 2009

  1. 1. SAO/NASA Astrophysics Data System<br />Searching millions of records without breaking a sweat …<br />Edwin Henneken, October 19, 2009<br />The ADS is funded by NASA Grant NNX09AB39G<br />
  2. 2. About us…<br />http://en.wikipedia.org/wiki/Astrophysics_Data_System<br />
  3. 3. <ul><li>Where we were…
  4. 4. Where we are…
  5. 5. Where we are going…</li></ul>A bit of history<br /><ul><li> 1987: beginnings ADS Abstract Service - first suggestion
  6. 6. 1988: initial version (40 papers) to proof concept
  7. 7. 1993: connection between ADS and SIMBAD
  8. 8. 1994: ADS available through the World Wide Web
  9. 9. 1995: scans are current and complete, going back 10 years
  10. 10. 1995: electronic ApJ Letters went on-line / ADS Article Service
  11. 11. 1996: nearly every astronomy journal in ADS
  12. 12. 1996: subset of Science Citation Index given to ADS by AAS
  13. 13. 2004: myADS
  14. 14. 2005: myADS-arXiv / Private Libraries
  15. 15. 2006: Library Links / Basic Search
  16. 16. 2008: Collaboration With CrossRef
  17. 17. 2009: Topic Searches</li></li></ul><li><ul><li> Where we were…
  18. 18. Where we are…
  19. 19. Where we are going…</li></ul>Where we are…. Some statistics<br />Some numbers (11/5/2009):<br />
  20. 20. <ul><li> Where we were…
  21. 21. Where we are…
  22. 22. Where we are going…</li></ul>Where we are…. Some statistics<br />Henneken et al. (2009), Journal of Informetrics 3, 1 <br />
  23. 23. <ul><li> Where we were…
  24. 24. Where we are…
  25. 25. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Collaborating on a paper…using private libraries <br />
  26. 26. <ul><li> Where we were…
  27. 27. Where we are…
  28. 28. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />You’ll have to be logged in<br />
  29. 29. <ul><li> Where we were…
  30. 30. Where we are…
  31. 31. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />Specify object for the query<br />
  32. 32. <ul><li> Where we were…
  33. 33. Where we are…
  34. 34. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />Require abstract word<br />
  35. 35. <ul><li> Where we were…
  36. 36. Where we are…
  37. 37. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />All results must have a SIMBAD link<br />
  38. 38. <ul><li> Where we were…
  39. 39. Where we are…
  40. 40. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />Sort the results by citation count<br />
  41. 41. <ul><li> Where we were…
  42. 42. Where we are…
  43. 43. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />The results: 8 records match our query<br />
  44. 44. <ul><li> Where we were…
  45. 45. Where we are…
  46. 46. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />I select all papers for my list of interesting papers on this subject<br />
  47. 47. <ul><li> Where we were…
  48. 48. Where we are…
  49. 49. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />Click on the button “Add selected articles to private library” to create this library<br />
  50. 50. <ul><li> Where we were…
  51. 51. Where we are…
  52. 52. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />Give the library a name and a description<br />
  53. 53. <ul><li> Where we were…
  54. 54. Where we are…
  55. 55. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />You can annotate entries in your private libraries<br />
  56. 56. <ul><li> Where we were…
  57. 57. Where we are…
  58. 58. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />Annotations as a reminder for yourself, but also to share information with others (links to private libraries are public) <br />
  59. 59. <ul><li> Where we were…
  60. 60. Where we are…
  61. 61. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />The annotations are visible as “private notes”<br />
  62. 62. <ul><li> Where we were…
  63. 63. Where we are…
  64. 64. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />From your ‘picks’ select the papers for the bibliography of the paper<br />
  65. 65. <ul><li> Where we were…
  66. 66. Where we are…
  67. 67. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />Give that bibliography its own private library (one of the authors will be the ‘keeper’ of the bibliography)<br />
  68. 68. <ul><li> Where we were…
  69. 69. Where we are…
  70. 70. Where we are going…</li></ul>Where we are…. Hints and pointers <br />Example: <br /> I’m writing a paper in an international collaboration on the Owl Nebula, with an emphasis on modeling<br />When the papers is ready, simply export the bibliography in e.g. BibTeX<br />Note: a private library can also<br />be useful to maintain an institution’s<br />bibliography<br />
  71. 71. <ul><li> Where we were…
  72. 72. Where we are…
  73. 73. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Switching off synonym replacement. (Synonym replacement is the default)<br />
  74. 74. <ul><li> Where we were…
  75. 75. Where we are…
  76. 76. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Switching off synonym replacement. (Synonym replacement is the default)<br />With synonyms, results might be too inclusive<br />
  77. 77. <ul><li> Where we were…
  78. 78. Where we are…
  79. 79. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Switching off synonym replacement. (Synonym replacement is the default)<br />Select ‘simple logic’ and put ‘=‘ in front of search term to switch off synonyms<br />
  80. 80. <ul><li> Where we were…
  81. 81. Where we are…
  82. 82. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Switching off synonym replacement. (Synonym replacement is the default)<br />Unwanted results filtered out<br />
  83. 83. <ul><li> Where we were…
  84. 84. Where we are…
  85. 85. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Searching by affiliation<br />(don’t expect miracles) <br />
  86. 86. <ul><li> Where we were…
  87. 87. Where we are…
  88. 88. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Searching by affiliation<br />(don’t expect miracles) <br />
  89. 89. <ul><li> Where we were…
  90. 90. Where we are…
  91. 91. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Searching by affiliation<br />(don’t expect miracles) <br />
  92. 92. <ul><li> Where we were…
  93. 93. Where we are…
  94. 94. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Searching by affiliation<br />(don’t expect miracles) <br />
  95. 95. <ul><li> Where we were…
  96. 96. Where we are…
  97. 97. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box <br />
  98. 98. <ul><li> Where we were…
  99. 99. Where we are…
  100. 100. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box: <br />Rank by best keyword match<br />
  101. 101. <ul><li> Where we were…
  102. 102. Where we are…
  103. 103. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box: <br />Rank by most recent matches<br />
  104. 104. <ul><li> Where we were…
  105. 105. Where we are…
  106. 106. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box: <br />Rank by most cited matches<br />
  107. 107. <ul><li> Where we were…
  108. 108. Where we are…
  109. 109. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box: <br />“Most popular”: papers most frequently read by people interested in the same subject <br />
  110. 110. <ul><li> Where we were…
  111. 111. Where we are…
  112. 112. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box: <br />“Most useful” (second order query): papers most frequently cited by papers on the subject <br />
  113. 113. <ul><li> Where we were…
  114. 114. Where we are…
  115. 115. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box: <br />“Most useful” (second order query): papers most frequently cited by papers on the subject <br />Example: “dark energy”<br />First paper has score 77:<br />77 of the 200 abstracts cited this paper<br />
  116. 116. <ul><li> Where we were…
  117. 117. Where we are…
  118. 118. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box: <br />“Most instructive” (second order query): papers which cite most frequently the set of recent papers on the topic of interest, ranked by their citations <br />
  119. 119. <ul><li> Where we were…
  120. 120. Where we are…
  121. 121. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />ADS Topic Searches (beta)<br />Given the keywords specified in the search box: <br />“Most instructive” (second order query): papers which cite most frequently the set of recent papers on the topic of interest, ranked by their citations <br />Example: “dark energy”<br />
  122. 122. <ul><li> Where we were…
  123. 123. Where we are…
  124. 124. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />myADS<br />Stay up-to-date with the current literature with weekly newsletter or RSS feed<br />
  125. 125. <ul><li> Where we were…
  126. 126. Where we are…
  127. 127. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />myADS-arXiv<br />Daily newsfeed (e-mail or RSS) of arXive-prints filtered by keywords<br />
  128. 128. <ul><li> Where we were…
  129. 129. Where we are…
  130. 130. Where we are going…</li></ul>Where we are…. Hints and pointers <br />A couple of useful hints<br />Search by first author:<br />In author search box: ^last name, [first name]<br />Only refereed papers:<br />Use the Filters Section of the Main Query Form to select only refereed publications<br />Only papers from aspecific journal:<br />Use the Filters Section of the Main Query Form to select or deselect specific publications<br />
  131. 131. <ul><li> Where we were…
  132. 132. Where we are…
  133. 133. Where we are going…</li></ul>Where we are working on…. <br />Proper full text searching<br />Faceted browsing<br />Literature recommendation<br />Data linking / semantic web<br />
  134. 134. Thank You!<br /> - we welcome questions and feedback: ads@cfa.harvard.edu -<br />

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