src/test_sparql.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) Index Data
   3  * See the file LICENSE for details.
   4  */
   5 #if HAVE_CONFIG_H
   6 #include <config.h>
   7 #endif
   8
   9 #include <string.h>
  10 #include "sparql.h"
  11 #include <yaz/log.h>
  12 #include <yaz/test.h>
  13 #include <yaz/pquery.h>
  14
  15 static int test_query(yaz_sparql_t s, const char *pqf, const char *expect)
  16 {
  17     YAZ_PQF_Parser parser = yaz_pqf_create();
  18     ODR odr = odr_createmem(ODR_ENCODE);
  19     Z_RPNQuery *rpn = yaz_pqf_parse(parser, odr, pqf);
  20     int ret = 0;
  21     WRBUF addinfo = wrbuf_alloc();
  22     WRBUF w = wrbuf_alloc();
  23
  24     if (rpn)
  25     {
  26         int r = yaz_sparql_from_rpn_wrbuf(s, addinfo, w, rpn);
  27         if (expect)
  28         {
  29             if (!r)
  30             {
  31                 if (!strcmp(expect, wrbuf_cstr(w)))
  32                     ret = 1;
  33                 else
  34                 {
  35                     yaz_log(YLOG_WARN, "test_sparql: pqf=%s", pqf);
  36                     yaz_log(YLOG_WARN, " expect: %s", expect);
  37                     yaz_log(YLOG_WARN, " got:    %s", wrbuf_cstr(w));
  38                 }
  39             }
  40             else
  41             {
  42                 yaz_log(YLOG_WARN, "test_sparql: pqf=%s", pqf);
  43                 yaz_log(YLOG_WARN, " expect: %s", expect);
  44                 yaz_log(YLOG_WARN, " got error: %d:%s", r, wrbuf_cstr(addinfo));
  45             }
  46         }
  47         else
  48         {
  49             if (r)
  50                 ret = 1;
  51             else
  52             {
  53                 yaz_log(YLOG_WARN, "test_sparql: pqf=%s", pqf);
  54                 yaz_log(YLOG_WARN, " expect error");
  55                 yaz_log(YLOG_WARN, " got:    %s", wrbuf_cstr(w));
  56             }
  57         }
  58     }
  59     wrbuf_destroy(w);
  60     wrbuf_destroy(addinfo);
  61     odr_destroy(odr);
  62     yaz_pqf_destroy(parser);
  63     return ret;
  64 }
  65
  66 static int test_uri(yaz_sparql_t s, const char *uri, const char *schema,
  67                     const char *expect)
  68 {
  69     int ret = 0;
  70     WRBUF addinfo = wrbuf_alloc();
  71     WRBUF w = wrbuf_alloc();
  72
  73     int r = yaz_sparql_from_uri_wrbuf(s, addinfo, w, uri, schema);
  74     if (expect)
  75     {
  76         if (!r)
  77         {
  78             if (!strcmp(expect, wrbuf_cstr(w)))
  79                 ret = 1;
  80             else
  81             {
  82                 yaz_log(YLOG_WARN, "test_sparql: uri=%s", uri);
  83                 yaz_log(YLOG_WARN, " expect: %s", expect);
  84                 yaz_log(YLOG_WARN, " got:    %s", wrbuf_cstr(w));
  85             }
  86         }
  87         else
  88         {
  89             yaz_log(YLOG_WARN, "test_sparql: uri=%s", uri);
  90             yaz_log(YLOG_WARN, " expect: %s", expect);
  91             yaz_log(YLOG_WARN, " got error: %d:%s", r, wrbuf_cstr(addinfo));
  92         }
  93     }
  94     else
  95     {
  96         if (r)
  97             ret = 1;
  98         else
  99         {
 100             yaz_log(YLOG_WARN, "test_sparql: uri=%s", uri);
 101             yaz_log(YLOG_WARN, " expect error");
 102             yaz_log(YLOG_WARN, " got:    %s", wrbuf_cstr(w));
 103         }
 104     }
 105     wrbuf_destroy(w);
 106     wrbuf_destroy(addinfo);
 107     return ret;
 108 }
 109
 110
 111 static void tst1(void)
 112 {
 113     yaz_sparql_t s = yaz_sparql_create();
 114
 115     yaz_sparql_add_pattern(s, "prefix",
 116                            "rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns");
 117     yaz_sparql_add_pattern(s, "prefix",
 118                            "bf: <http://bibframe.org/vocab/>");
 119     yaz_sparql_add_pattern(s, "prefix",
 120                            "gs: http://gs.com/panorama/domain-model");
 121     yaz_sparql_add_pattern(s, "form", "SELECT ?title ?author ?description ?ititle");
 122     yaz_sparql_add_pattern(s, "criteria", "?work a bf:Work");
 123     yaz_sparql_add_pattern(s, "criteria", "?work bf:workTitle/bf:titleValue ?title");
 124     yaz_sparql_add_pattern(s, "criteria", "?work bf:creator/bf:label ?author");
 125     yaz_sparql_add_pattern(s, "criteria", "?work bf:note ?description");
 126     yaz_sparql_add_pattern(s, "criteria", "?inst bf:instanceOf ?work");
 127     yaz_sparql_add_pattern(s, "criteria", "?inst bf:instanceTitle/bf:titleValue ?ititle");
 128     yaz_sparql_add_pattern(s, "criteria.optional", "?inst bf:heldBy ?lib");
 129
 130     yaz_sparql_add_pattern(s, "index.bf.title",
 131                            "?work bf:workTitle/bf:titleValue ?o1 "
 132                            "FILTER(contains(?o1, %s))");
 133     yaz_sparql_add_pattern(s, "index.bf.creator",
 134                            "?work bf:creator/bf:label ?o2 "
 135                            "FILTER(contains(?o2, %s))");
 136     yaz_sparql_add_pattern(s, "index.bf.authorityCreator",
 137                            "?work bf:author %s");
 138     yaz_sparql_add_pattern(s, "index.bf.type",
 139                            "?inst rdf:type %s");
 140     yaz_sparql_add_pattern(s, "index.bf.format",
 141                            "?inst bf:format ?o5 FILTER(contains(?o5, %s))");
 142     yaz_sparql_add_pattern(s, "index.bf.nearby", "?lib gs:nearby (%d)");
 143     yaz_sparql_add_pattern(s, "index.bf.baseTitle",
 144                            "?work bf:derivativeOf/bf:workTitle/bf:titleValue "
 145                            "?o6 FILTER(contains(?o6, %s))");
 146     yaz_sparql_add_pattern(s, "index.bf.baseCreator",
 147                            "?work bf:derivativeOf/bf:creator/bf:label "
 148                            "?o7 FILTER(contains(?o7, %s))");
 149     yaz_sparql_add_pattern(s, "index.bf.targetAudience",
 150                            "?work bf:targetAudience %s");
 151     yaz_sparql_add_pattern(s, "index.bf.isbn", "?inst bf:ISBN %s");
 152
 153     yaz_sparql_add_pattern(s, "uri.full", "SELECT ?sub ?rel WHERE ?work = %u");
 154
 155     YAZ_CHECK(test_uri(s, "http://x/y", "full",
 156                        "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 157                        "PREFIX bf: <http://bibframe.org/vocab/>\n"
 158                        "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 159                        "SELECT ?sub ?rel WHERE ?work = <http://x/y>\n"));
 160
 161     YAZ_CHECK(test_query(
 162                   s, "@attr 1=bf.title computer",
 163                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 164                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 165                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 166                   "SELECT ?title ?author ?description ?ititle\n"
 167                   "WHERE {\n"
 168                   "  ?work a bf:Work .\n"
 169                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 170                   "  ?work bf:creator/bf:label ?author .\n"
 171                   "  ?work bf:note ?description .\n"
 172                   "  ?inst bf:instanceOf ?work .\n"
 173                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 174                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 175                   "  ?work bf:workTitle/bf:titleValue ?o1 "
 176                   "FILTER(contains(?o1, \"computer\"))\n"
 177                   "}\n"
 178                   ));
 179
 180     YAZ_CHECK(test_query(
 181                   s, "@attr 1=bf.creator london",
 182                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 183                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 184                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 185                   "SELECT ?title ?author ?description ?ititle\n"
 186                   "WHERE {\n"
 187                   "  ?work a bf:Work .\n"
 188                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 189                   "  ?work bf:creator/bf:label ?author .\n"
 190                   "  ?work bf:note ?description .\n"
 191                   "  ?inst bf:instanceOf ?work .\n"
 192                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 193                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 194                   "  ?work bf:creator/bf:label ?o2 "
 195                   "FILTER(contains(?o2, \"london\"))\n"
 196                   "}\n"));
 197
 198
 199     YAZ_CHECK(test_query(
 200                   s, "@and @attr 1=bf.creator london @attr 1=bf.title computer",
 201                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 202                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 203                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 204                   "SELECT ?title ?author ?description ?ititle\n"
 205                   "WHERE {\n"
 206                   "  ?work a bf:Work .\n"
 207                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 208                   "  ?work bf:creator/bf:label ?author .\n"
 209                   "  ?work bf:note ?description .\n"
 210                   "  ?inst bf:instanceOf ?work .\n"
 211                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 212                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 213                   "  ?work bf:creator/bf:label ?o2 "
 214                   "FILTER(contains(?o2, \"london\")) .\n"
 215                   "  ?work bf:workTitle/bf:titleValue ?o1 "
 216                   "FILTER(contains(?o1, \"computer\"))\n"
 217                   "}\n"));
 218
 219     YAZ_CHECK(test_query(
 220                   s, "@or @attr 1=bf.creator london @attr 1=bf.title computer",
 221                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 222                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 223                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 224                   "SELECT ?title ?author ?description ?ititle\n"
 225                   "WHERE {\n"
 226                   "  ?work a bf:Work .\n"
 227                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 228                   "  ?work bf:creator/bf:label ?author .\n"
 229                   "  ?work bf:note ?description .\n"
 230                   "  ?inst bf:instanceOf ?work .\n"
 231                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 232                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 233                   "  {\n"
 234                   "   ?work bf:creator/bf:label ?o2 "
 235                   "FILTER(contains(?o2, \"london\"))\n"
 236                   "  } UNION {\n"
 237                   "   ?work bf:workTitle/bf:titleValue ?o1 "
 238                   "FILTER(contains(?o1, \"computer\"))\n"
 239                   "  }\n"
 240                   "}\n"
 241                   ));
 242
 243     YAZ_CHECK(test_query(
 244                   s, "@or @or @attr 1=bf.creator a @attr 1=bf.title b @attr 1=bf.title c",
 245                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 246                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 247                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 248                   "SELECT ?title ?author ?description ?ititle\n"
 249                   "WHERE {\n"
 250                   "  ?work a bf:Work .\n"
 251                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 252                   "  ?work bf:creator/bf:label ?author .\n"
 253                   "  ?work bf:note ?description .\n"
 254                   "  ?inst bf:instanceOf ?work .\n"
 255                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 256                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 257                   "  {\n"
 258                   "   {\n"
 259                   "    ?work bf:creator/bf:label ?o2 "
 260                   "FILTER(contains(?o2, \"a\"))\n"
 261                   "   } UNION {\n"
 262                   "    ?work bf:workTitle/bf:titleValue ?o1 "
 263                   "FILTER(contains(?o1, \"b\"))\n"
 264                   "   }\n"
 265                   "  } UNION {\n"
 266                   "   ?work bf:workTitle/bf:titleValue ?o1 "
 267                   "FILTER(contains(?o1, \"c\"))\n"
 268                   "  }\n"
 269                   "}\n"
 270                   ));
 271
 272     YAZ_CHECK(test_query(
 273                   s, "@or @and @attr 1=bf.creator a @attr 1=bf.title b @attr 1=bf.title c",
 274                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 275                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 276                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 277                   "SELECT ?title ?author ?description ?ititle\n"
 278                   "WHERE {\n"
 279                   "  ?work a bf:Work .\n"
 280                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 281                   "  ?work bf:creator/bf:label ?author .\n"
 282                   "  ?work bf:note ?description .\n"
 283                   "  ?inst bf:instanceOf ?work .\n"
 284                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 285                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 286                   "  {\n"
 287                   "   ?work bf:creator/bf:label ?o2 "
 288                   "FILTER(contains(?o2, \"a\")) .\n"
 289                   "   ?work bf:workTitle/bf:titleValue ?o1 "
 290                   "FILTER(contains(?o1, \"b\"))\n"
 291                   "  } UNION {\n"
 292                   "   ?work bf:workTitle/bf:titleValue ?o1 "
 293                   "FILTER(contains(?o1, \"c\"))\n"
 294                   "  }\n"
 295                   "}\n"
 296                   ));
 297
 298     YAZ_CHECK(test_query(
 299                   s, "@and @and @attr 1=bf.creator a @attr 1=bf.title b @attr 1=bf.title c",
 300                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 301                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 302                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 303                   "SELECT ?title ?author ?description ?ititle\n"
 304                   "WHERE {\n"
 305                   "  ?work a bf:Work .\n"
 306                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 307                   "  ?work bf:creator/bf:label ?author .\n"
 308                   "  ?work bf:note ?description .\n"
 309                   "  ?inst bf:instanceOf ?work .\n"
 310                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 311                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 312                   "  ?work bf:creator/bf:label ?o2 "
 313                   "FILTER(contains(?o2, \"a\")) .\n"
 314                   "  ?work bf:workTitle/bf:titleValue ?o1 "
 315                   "FILTER(contains(?o1, \"b\")) .\n"
 316                   "  ?work bf:workTitle/bf:titleValue ?o1 "
 317                   "FILTER(contains(?o1, \"c\"))\n"
 318                   "}\n"
 319                   ));
 320
 321     YAZ_CHECK(test_query(
 322                   s, "@and @attr 1=bf.title \"Phantom Tollbooth\" "
 323                   "@attr 1=bf.nearby \"40.1583 83.0742 30\"",
 324                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 325                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 326                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 327                   "SELECT ?title ?author ?description ?ititle\n"
 328                   "WHERE {\n"
 329                   "  ?work a bf:Work .\n"
 330                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 331                   "  ?work bf:creator/bf:label ?author .\n"
 332                   "  ?work bf:note ?description .\n"
 333                   "  ?inst bf:instanceOf ?work .\n"
 334                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 335                   "  ?inst bf:heldBy ?lib .\n"
 336                   "  ?work bf:workTitle/bf:titleValue ?o1 "
 337                   "FILTER(contains(?o1, \"Phantom Tollbooth\")) .\n"
 338                   "  ?lib gs:nearby (40.1583 83.0742 30)\n"
 339                   "}\n"
 340                   ));
 341
 342     YAZ_CHECK(test_query(
 343                   s, "@attr 1=bf.isbn 9780316154697",
 344                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 345                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 346                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 347                   "SELECT ?title ?author ?description ?ititle\n"
 348                   "WHERE {\n"
 349                   "  ?work a bf:Work .\n"
 350                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 351                   "  ?work bf:creator/bf:label ?author .\n"
 352                   "  ?work bf:note ?description .\n"
 353                   "  ?inst bf:instanceOf ?work .\n"
 354                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 355                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 356                   "  ?inst bf:ISBN \"9780316154697\"\n"
 357                   "}\n"
 358                  ));
 359
 360
 361     yaz_sparql_destroy(s);
 362 }
 363
 364 static void tst2(void)
 365 {
 366     yaz_sparql_t s = yaz_sparql_create();
 367
 368     yaz_sparql_add_pattern(s, "prefix",
 369                            "rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns");
 370     yaz_sparql_add_pattern(s, "prefix",
 371                            "bf: <http://bibframe.org/vocab/>");
 372     yaz_sparql_add_pattern(s, "prefix",
 373                            "gs: http://gs.com/panorama/domain-model");
 374     yaz_sparql_add_pattern(s, "form", "SELECT ?title ?author ?description ?ititle");
 375     yaz_sparql_add_pattern(s, "criteria", "?work a bf:Work");
 376     yaz_sparql_add_pattern(s, "criteria", "?work bf:workTitle/bf:titleValue ?title");
 377     yaz_sparql_add_pattern(s, "criteria", "?work bf:creator/bf:label ?author");
 378     yaz_sparql_add_pattern(s, "criteria", "?work bf:note ?description");
 379     yaz_sparql_add_pattern(s, "criteria", "?inst bf:instanceOf ?work");
 380     yaz_sparql_add_pattern(s, "criteria", "?inst bf:instanceTitle/bf:titleValue ?ititle");
 381     yaz_sparql_add_pattern(s, "criteria.optional", "?inst bf:heldBy ?lib");
 382
 383     yaz_sparql_add_pattern(s, "index.bf.title",
 384                            "?work bf:workTitle/bf:titleValue %v "
 385                            "FILTER(contains(%v, %s))");
 386     yaz_sparql_add_pattern(s, "index.bf.creator",
 387                            "?work bf:creator/bf:label %v "
 388                            "FILTER(contains(%v, %s))");
 389     yaz_sparql_add_pattern(s, "index.bf.authorityCreator",
 390                            "?work bf:author %s");
 391     yaz_sparql_add_pattern(s, "index.bf.type", "?inst rdf:type %s");
 392     yaz_sparql_add_pattern(s, "index.bf.format",
 393                            "?inst bf:format %v FILTER(contains(%v, %s))");
 394     yaz_sparql_add_pattern(s, "index.bf.nearby", "?lib gs:nearby (%d)");
 395     yaz_sparql_add_pattern(s, "index.bf.baseTitle",
 396                            "?work bf:derivativeOf/bf:workTitle/bf:titleValue "
 397                            "%v FILTER(contains(%v, %s))");
 398     yaz_sparql_add_pattern(s, "index.bf.baseCreator",
 399                            "?work bf:derivativeOf/bf:creator/bf:label "
 400                            "%v FILTER(contains(%v, %s))");
 401     yaz_sparql_add_pattern(s, "index.bf.targetAudience",
 402                            "?work bf:targetAudience %s");
 403     yaz_sparql_add_pattern(s, "index.bf.isbn", "?inst bf:ISBN %s");
 404
 405     YAZ_CHECK(test_query(
 406                   s, "@attr 1=bf.title computer",
 407                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 408                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 409                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 410                   "SELECT ?title ?author ?description ?ititle\n"
 411                   "WHERE {\n"
 412                   "  ?work a bf:Work .\n"
 413                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 414                   "  ?work bf:creator/bf:label ?author .\n"
 415                   "  ?work bf:note ?description .\n"
 416                   "  ?inst bf:instanceOf ?work .\n"
 417                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 418                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 419                   "  ?work bf:workTitle/bf:titleValue ?v0 "
 420                   "FILTER(contains(?v0, \"computer\"))\n"
 421                   "}\n"
 422                   ));
 423
 424     YAZ_CHECK(test_query(
 425                   s, "@attr 1=bf.creator london",
 426                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 427                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 428                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 429                   "SELECT ?title ?author ?description ?ititle\n"
 430                   "WHERE {\n"
 431                   "  ?work a bf:Work .\n"
 432                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 433                   "  ?work bf:creator/bf:label ?author .\n"
 434                   "  ?work bf:note ?description .\n"
 435                   "  ?inst bf:instanceOf ?work .\n"
 436                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 437                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 438                   "  ?work bf:creator/bf:label ?v0 "
 439                   "FILTER(contains(?v0, \"london\"))\n"
 440                   "}\n"));
 441
 442     YAZ_CHECK(test_query(
 443                   s, "@or @and @attr 1=bf.creator a @attr 1=bf.title b @attr 1=bf.title c",
 444                   "PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns>\n"
 445                   "PREFIX bf: <http://bibframe.org/vocab/>\n"
 446                   "PREFIX gs: <http://gs.com/panorama/domain-model>\n"
 447                   "SELECT ?title ?author ?description ?ititle\n"
 448                   "WHERE {\n"
 449                   "  ?work a bf:Work .\n"
 450                   "  ?work bf:workTitle/bf:titleValue ?title .\n"
 451                   "  ?work bf:creator/bf:label ?author .\n"
 452                   "  ?work bf:note ?description .\n"
 453                   "  ?inst bf:instanceOf ?work .\n"
 454                   "  ?inst bf:instanceTitle/bf:titleValue ?ititle .\n"
 455                   "  OPTIONAL { ?inst bf:heldBy ?lib } .\n"
 456                   "  {\n"
 457                   "   ?work bf:creator/bf:label ?v0 "
 458                   "FILTER(contains(?v0, \"a\")) .\n"
 459                   "   ?work bf:workTitle/bf:titleValue ?v1 "
 460                   "FILTER(contains(?v1, \"b\"))\n"
 461                   "  } UNION {\n"
 462                   "   ?work bf:workTitle/bf:titleValue ?v2 "
 463                   "FILTER(contains(?v2, \"c\"))\n"
 464                   "  }\n"
 465                   "}\n"
 466                   ));
 467
 468     yaz_sparql_destroy(s);
 469 }
 470
 471 int main(int argc, char **argv)
 472 {
 473     YAZ_CHECK_INIT(argc, argv);
 474     YAZ_CHECK_LOG();
 475     tst1();
 476     tst2();
 477     YAZ_CHECK_TERM;
 478 }
 479 /*
 480  * Local variables:
 481  * c-basic-offset: 4
 482  * c-file-style: "Stroustrup"
 483  * indent-tabs-mode: nil
 484  * End:
 485  * vim: shiftwidth=4 tabstop=8 expandtab
 486  */
 487