|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
: P) u* J3 ], A9 g# Aglobals[
: ]$ _$ C, @" [6 P" [xmax$ w# G* o. ]; L. `
ymax
: [% D; D6 f% Kglobal-reputation-list
& f0 A# o3 a( p& K0 s* W) Q& b8 d$ I0 D- k% ?3 P6 l1 @
;;每一个turtle的全局声誉都存在此LIST中
0 p2 b5 U1 |$ F" s% a3 a* icredibility-list
8 y3 `1 M; K) c/ X" U8 K8 };;每一个turtle的评价可信度
7 o8 V* v9 S& l7 i J6 }9 Ehonest-service4 T; P! a: o5 G% h3 g, t
unhonest-service
0 B, u4 @2 M( N: d( a' a. Qoscillation" R* ^2 l) H/ R. X# b% |% O
rand-dynamic
$ s% Z7 O1 v: |( \! X) [, O]$ T3 h. y/ L, Z
7 J3 Y1 k6 p$ M3 i/ gturtles-own[8 O2 }* v% Y$ }) O+ _& X
trade-record-all
, Z5 o! M0 g* Q2 G;;a list of lists,由trade-record-one组成% B0 |; s# s) m n; p% t% _0 N) M
trade-record-one% E3 A0 i9 J9 n& r+ l- Q
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录 R8 r1 J; v$ ~+ j# U8 P7 _# y
+ `4 h4 \7 @2 Z
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]( J, T' ~* w5 \, N* e
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]1 f+ E3 x3 Q7 @0 Y3 c
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list' W) Z. J0 D. ]5 y! I+ ^
neighbor-total/ r3 A$ D; I! D) x
;;记录该turtle的邻居节点的数目+ S0 {- D; c( a( @/ z
trade-time5 x& C+ L. Y/ ?: Z r+ P
;;当前发生交易的turtle的交易时间
5 A3 j) i2 A5 R2 e! r: fappraise-give! E+ y& w1 t {8 W8 O
;;当前发生交易时给出的评价. u' y" d E; p. a
appraise-receive
3 z( V- \" l, c6 j;;当前发生交易时收到的评价# c- B: i( E8 G
appraise-time
* Q7 v/ H+ T2 Q3 ];;当前发生交易时的评价时间5 k5 N; k. w* H8 m* x
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 c. U0 [! N6 Q- atrade-times-total
$ l2 {+ Q3 O5 U9 e7 A8 S;;与当前turtle的交易总次数
& p- Q9 k7 k1 V; o9 g3 [0 gtrade-money-total( i6 ^5 l8 s1 d: Z
;;与当前turtle的交易总金额7 {' k1 K. J8 o. u2 T
local-reputation
* J" r! @, E' x' b+ jglobal-reputation% O' ^0 t8 `, V# } [
credibility. V) z5 n6 N: {6 m& e
;;评价可信度,每次交易后都需要更新
8 [& i8 D( @% Y/ B; v# S& g; ecredibility-all, V+ H8 U0 H& w, H7 z
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
( C4 Y# |# d9 |2 v1 u. j3 t
# } J) M/ A( t" `" N;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5# e) {5 n+ n- _& B
credibility-one. H6 F0 n& |& i/ j8 w. v" W
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
" K H! A7 R3 f. }) ^0 b* Fglobal-proportion
# Y* J, b$ o( Ecustomer
5 V% K: o* n" A& Q4 ?4 R2 `customer-no8 r% n8 n5 Q. m( R: y4 _- R
trust-ok
7 j# B: [! i$ A* n( D |1 s: mtrade-record-one-len;;trade-record-one的长度* |" Z: l. ?% ?; n
]1 e) f9 W# ^, F3 C4 M3 z2 l
8 d2 J: h4 _$ n" R3 g. S$ e;;setup procedure
- e) w' s. g& N" l# V7 e+ I1 v2 ~. A6 y- _# X
to setup. ]" i3 q& _! _: e, e: }# @# q
2 T, h; D) _: ~! M2 \3 `4 N3 A
ca* p; T" ]5 M9 I0 `
0 C+ U# g# w8 X6 u- s/ a
initialize-settings9 ]6 z) k& F3 c
y; X( y4 r) i$ A# H9 g
crt people [setup-turtles]& @3 t7 @. e9 K/ k3 ~' k
# p" N: r% G7 B. `* Y
reset-timer: ^; P! j1 _& d' T$ s
* V H# M3 J# F7 ^poll-class7 e% ^6 G% `, h2 |3 G
! u* v3 x9 ?' M9 I M
setup-plots" A6 P( Z8 d) l0 s6 c7 ~% }7 d
- N7 i/ L# Z* ]" N5 ?, u& ?do-plots
: r4 N8 ~* V+ P, Xend
) p9 j4 `! [: |2 b* {
, D+ V* p& M. M( G9 F Z$ @# Dto initialize-settings+ E9 J+ }: Z7 L
n1 q H! ?, G: ]set global-reputation-list []+ [: G4 z) I2 x) n0 v- v
0 s) F5 q) C/ p1 K/ h
set credibility-list n-values people [0.5]) i: W& q. S% @% ^% B5 T4 S! z; O
6 }$ ]' n, q" \! y1 F! A7 L0 Cset honest-service 0
/ [# g! _; e' _7 B+ K# u
/ K* e2 Y1 `0 I7 E, sset unhonest-service 01 E7 I. X. V- z7 L+ ?: m/ K4 t5 o
& n6 v: E* o& f' J+ Q
set oscillation 0: b( } c5 d5 f% j
* ]1 G0 H5 }7 V$ Mset rand-dynamic 0
: K% k' I8 ]$ c1 t3 Q- x# Pend
( H4 |- \+ w5 ]2 i, \
7 d. M) |. ?. hto setup-turtles
, V d) |' [0 @2 q: D! Dset shape "person"; d1 z w1 x' u9 H( i1 o. k& T
setxy random-xcor random-ycor0 L9 l' `, ?0 k- O
set trade-record-one []
& @5 n2 l: _6 g2 T4 N$ `
( K" W* b& k- D8 A9 z. Qset trade-record-all n-values people [(list (? + 1) 0 0)] E% i( u' M5 c4 e, P, }* t
8 S+ l' T5 Q# M. k
set trade-record-current []
0 Q' d+ _2 }3 cset credibility-receive []
' g+ W" {- u# x8 hset local-reputation 0.5
( s. K1 E# ~# D4 u9 \2 b; Y) dset neighbor-total 0
) S$ }& }, Q3 U2 C% k: S3 I! lset trade-times-total 0
* s, W) E- l3 tset trade-money-total 0- r" `7 b+ {( \
set customer nobody
6 o# S- {4 s! H% S$ ^0 h( wset credibility-all n-values people [creat-credibility]9 |/ z4 Y. t/ p, u( n/ _
set credibility n-values people [-1]
! o$ _1 n ` S0 D( z- ~8 K8 Iget-color
" y+ a8 w& n+ i6 M- e
$ [$ T/ K+ d' ~/ X) Cend, |6 W8 A) X4 k; D2 m/ o3 M. [4 l/ L
" Z4 d$ L, n% \ K/ H, a! ?to-report creat-credibility5 b& g0 |# k- s8 O
report n-values people [0.5]# ^* N) ^& e1 j7 ^3 n% J" n
end, a# l) `+ d4 ^: p$ u
1 o9 d2 D- P5 ^6 n! d. xto setup-plots( n6 X( n0 K6 p! d! D( P
& @; q: z6 t m
set xmax 308 {+ j+ x8 O+ O% |
' \, \0 ]* O* A3 s6 Y( r
set ymax 1.0
U. g$ ^) D. C# k- ~, {6 ^ V
& H* Q9 k3 r8 A' A2 x4 mclear-all-plots
' ]6 V% n6 \. F
) g' G7 ~, D" n1 N( N. l- z, Osetup-plot1
+ q) P) U5 R$ P) ~& _: i
9 T; ?5 C! ?# b% t& U- b* Fsetup-plot2
% W3 Q- u3 f1 t& u/ y/ Y5 m
" T. I h9 q5 f1 gsetup-plot3
, V$ k8 \3 B- M' D2 Zend1 F2 q& V5 W7 I! q# V
, @: u% o: A% u- t: n4 `;;run time procedures6 }& W3 `/ q2 A/ F( I
2 p- H7 @/ E+ i! Uto go/ S2 E: M. I# d* @
# M0 O" m# h( |- G' u3 Y: Jask turtles [do-business]
% v# b& c4 p; N% S) G' s# G0 jend9 W. Q5 m% m- a4 I
7 e" u9 l g3 X. T6 v1 ato do-business 2 ^. x) e9 n% w; m8 A, B
4 ?3 {! o# x( k, Z8 W/ ~% w8 }
* s h6 Q4 p3 y" ert random 360# B3 _1 s" I ^5 ]- N& l' t
- L" U0 ~' _# ? X
fd 1
1 R0 ^3 S) e- M" E# ~4 G, m6 d. h0 Q$ a2 S& V
ifelse(other turtles-here != nobody)[8 N% z* }0 j0 n. ^9 t+ ~
& Z; M1 o' s6 H4 D% @$ _% d6 t
set customer one-of other turtles-here
7 \, z% u; N3 e( R; V1 ?/ Y! ]; a. x# b! e$ A& [/ J
;; set [customer] of customer myself
, N3 L" R) x( p% l( g, x- o. H8 j
set [trade-record-one] of self item (([who] of customer) - 1)/ ~4 C: U b' g# g% l9 n1 ^
[trade-record-all]of self
. \2 E4 W8 B' J. U;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
8 K; F5 d- u* F( {# x% Y k9 I* S U1 X$ c- z& ]* P0 J
set [trade-record-one] of customer item (([who] of self) - 1)
$ J" Z! ~, }7 x/ [[trade-record-all]of customer
. K \( Z# [% @
0 _# i3 m: ?! E2 L& c* Lset [trade-record-one-len] of self length [trade-record-one] of self2 V% I8 G9 v0 ~% F a
) d& L: i; X- N c# R
set trade-record-current( list (timer) (random money-upper-limit))# _2 U+ a9 |. s
5 v$ D2 C* @1 W0 q6 P* K7 Uask self [do-trust]
( C1 K# Y2 _0 h. W" I' m3 C;;先求i对j的信任度
7 R( a' \6 D @# f) H
, v$ z0 V9 l* sif ([trust-ok] of self)- x3 T: u+ O/ }6 u5 g
;;根据i对j的信任度来决定是否与j进行交易[
. ^5 D* Q" u5 E6 W' ^/ ]ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: {( G1 U i; n. i/ d6 m, v' h
. c( e f( M' @[
6 F) F: ]0 a/ B$ j" g v J4 p! R1 P6 V. j, s1 \+ R8 D. q$ V
do-trade7 Z/ b h- v ]4 I
; T2 U" D" R$ wupdate-credibility-ijl
+ ~, r. L# \% d6 L+ w, d
) o& \, n$ w' n) ~update-credibility-list1 ?3 m' K5 T, L# b2 a: h; \
& u9 M2 a$ q3 `9 a! w
+ F d( S0 o+ G$ y
update-global-reputation-list
& e2 ~% X. k) K$ E* A0 {0 ~+ w# L7 r# F
poll-class
+ {% H# ~5 d3 N9 p! Q. Y4 g% x, j6 \( K+ I( h
get-color
7 H5 s! A! A; i) r' k5 @# s; R t1 |/ w+ Q9 u/ t
]]
# u, v& @1 E& l+ B: I, n) X8 C
" `5 ?2 v0 ]7 Y* E; E/ _;;如果所得的信任度满足条件,则进行交易
* @) J- D: W+ C7 v2 T- b: S' }. b7 w6 u0 |0 c. c/ Q% C
[
* j2 q4 C6 P1 F) h9 ~+ @, r2 `) L/ Y, O* ~" g/ X
rt random 360+ S9 p- U" w7 X- ~4 ~/ I* c( j9 U
4 ?7 a" K* a/ q$ c2 t# Yfd 1, y8 q! ?8 z! A% h: I" g: t: k
* k% z$ s0 k; n& E% a% F]) W0 U5 ?- W; J! Y4 W$ c8 Y
( Y+ O- o! A& |' T% A" z0 Rend# A q$ t4 q; d# A( v
2 O8 Y6 v! M( }5 U$ s" Gto do-trust # I# E: W* K- h9 i2 u: P! k) O% L
set trust-ok False
: j9 Q) \& e5 ^( e. c0 M
3 g9 a/ K: m% M: G- k3 p) `
' `+ L1 |! H8 t$ C! C9 Slet max-trade-times 0- o# J! d+ A. _# M
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]: s6 G0 P* B. c8 I* i2 s
let max-trade-money 0& V$ W7 `4 L/ x4 i7 f
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) D* l( p, a7 D1 [& ?0 q
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))' K. W! F* L" M$ d
$ v3 R1 I% u. a' D3 v+ i: Z8 ?7 }# h6 s
get-global-proportion
8 ]$ u: l, p3 l R: Llet trust-value
' k1 W3 n* S5 i) v6 Elocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)* Y8 g+ G3 }9 H& s) v% P4 r4 e+ t
if(trust-value > trade-trust-value)
8 `' X# T% \) z& ?[set trust-ok true]
4 K1 a2 ^$ m! R8 V5 eend
( M1 k6 Y9 B3 F; y# B# q* t: m
0 f/ L. e8 l& n& jto get-global-proportion
) R, ~2 q" B; P9 f$ I% xifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
+ D' Z9 } l3 }5 X; w8 N b V[set global-proportion 0]
$ y- f7 U0 c! v4 A- [1 u: F H[let i 0# l- w9 G6 D8 [: Y' h! L
let sum-money 01 Y. L: x' ?' j) p! ]: `1 \' I9 W3 V, M
while[ i < people]' F" K) _" M3 s1 I7 f5 ?! z
[
. q, C7 z$ {# L# ^# tif( length (item i
; V: u4 J$ t: f/ T" ]) s5 Q8 K; r[trade-record-all] of customer) > 3 )' G E- `$ T9 c' I) b( R
[1 Y; P0 D# g" g. L0 ^# t
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
1 m% O7 h/ u" l$ E3 c]
( K* }/ x0 s! z$ [$ l$ W. []
3 o( b0 s* ?- g j& ?let j 0
; @. _ U8 k& Flet note 00 Z* W6 a B" j `( f. Q
while[ j < people]& g1 l A" ?- x& k( N0 H2 w
[
, g! B; M$ b7 r. G8 i+ ]if( length (item i U. @, X2 m- G' w( E4 c
[trade-record-all] of customer) > 3 )
* W6 `" q d; w8 U7 L7 I[
% ?8 u- R$ ~$ [. Sifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
% E$ S6 [1 h" ^& D) ^5 v5 P[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; C( n# D( h, L% j/ F
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 p, J" r+ S8 d+ P2 V2 T/ }; {
]
% w3 h/ {4 ^# E0 K/ N$ N]$ _& f0 B" w/ |9 {/ G
set global-proportion note, U" \ Y7 p+ d9 W! J" K9 N
]
+ x0 ~- P; L) X) Q \end
# r4 k; o7 C/ v& I5 n* q/ c; w! G, {; p. Z: X" P2 b- O* {
to do-trade8 _! a! \ Y5 `8 h/ t
;;这个过程实际上是给双方作出评价的过程
2 i+ N* i/ J' z! \; |& Gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ d/ i% w5 |4 M) ^* S8 pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
9 n3 x+ z# M, G- ?/ Sset trade-record-current lput(timer) trade-record-current
1 N) \/ d4 ]9 j7 s0 a, ^$ m6 `;;评价时间
9 w& _5 v ^% l" _" X% ]ask myself [
% r9 L6 X3 D/ N' Aupdate-local-reputation' N. r m. V3 L! N H) ?& h6 K
set trade-record-current lput([local-reputation] of myself) trade-record-current* R: M; f+ z4 ]3 B, t
]/ U$ w# J) {$ S# B0 d' ~6 v
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself2 k. z, {/ o0 K! a; Z
;;将此次交易的记录加入到trade-record-one中
! l, H" K' |! n4 x/ l+ gset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 e" j- \, |& U0 w# u4 _1 H5 i7 vlet note (item 2 trade-record-current )) Z& i% Z0 z$ h# l( G* s2 K$ S& }
set trade-record-current
4 Z: K9 Y1 f$ n6 h8 Y0 U& J: a(replace-item 2 trade-record-current (item 3 trade-record-current))( T) i( s1 R# w5 @7 G
set trade-record-current
: Q3 S7 J# }/ o: g2 f. \+ L/ _(replace-item 3 trade-record-current note)4 P- y) J7 `0 \( X: Q5 W$ X7 I, i( R
5 L. C% y3 d# S1 o+ B- @
# H/ |" l; S, |' v, O( Mask customer [
0 J: r* r3 u+ gupdate-local-reputation8 a' }# _( G2 q5 u6 ~+ _6 k) q# e
set trade-record-current
. X4 F9 ]! l- B' `(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
* v% C6 t! l- V8 p! y]9 J' i: B7 H$ e$ k" X7 Q' f
+ I+ f3 _1 ^# W4 ]; u3 y- @# X8 g1 P' U
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
) {& n5 Y, W* K& l* ~6 C% \5 ]9 }4 Y# V8 f/ n4 h+ Z1 V. j
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ m6 X8 W5 D, t* m1 k3 A
;;将此次交易的记录加入到customer的trade-record-all中
3 x4 G$ N9 N+ ~9 B! Y! ?( c l& ?end( c$ f! b$ m Q
+ J/ W) i$ U5 v, hto update-local-reputation. D7 p% @8 N: r+ ], h, K* Q5 }
set [trade-record-one-len] of myself length [trade-record-one] of myself
# P# r8 F. M- `2 Z z: j" G5 E: d! s- J. t
' D; f/ C: h' G4 M2 N* s;;if [trade-record-one-len] of myself > 3 ; Y! b2 X; Y5 U2 b
update-neighbor-total" o) K% ^# @" f. u
;;更新邻居节点的数目,在此进行: r% c, L9 K& }2 U2 v- d8 S
let i 37 b5 t! V5 u5 U& o) d. X4 [ L
let sum-time 0. d, t I( e) X( ]
while[i < [trade-record-one-len] of myself] K' C: l, s" |3 k! D1 z
[+ l! j v( ]6 @$ b! H+ j& k+ k
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
. x- X) \; s$ E) {7 j$ ]0 Y ~set i
$ y4 R0 v+ N$ O4 w; o( i + 1)7 m! W4 s* A5 d$ o" V T
]
3 T& x8 d4 x: m: qlet j 32 r) Q) p) P4 |" c1 H
let sum-money 0
0 h6 Z" t! s- K) _$ t& Y1 j' jwhile[j < [trade-record-one-len] of myself]5 C6 ~! k* q/ ]* X: {( q
[
1 c& N% `/ N( n- y$ r8 I1 ]set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
+ a9 y8 N. }" N1 u! ?% cset j
" z' }. D7 K1 ^/ L7 x( j + 1)0 r; M* h8 g. h# w
]
; h7 x0 K9 x$ x hlet k 33 ^# T1 s3 C, I9 `# H: i6 D! L3 Y
let power 0
- l& b; r7 @: Olet local 02 `5 s. F! T: \; B1 F- B
while [k <[trade-record-one-len] of myself]( x/ Y1 N+ | _; y5 L t3 r
[
' k5 V+ V/ Q9 V7 I I1 a* y1 Kset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) ( w6 Z+ I) a; Q3 c$ C
set k (k + 1)
6 s' T7 }; M" V% w2 b/ R( `# b+ k]
3 g& f4 v$ j+ ~3 }" q6 R% Dset [local-reputation] of myself (local)
0 l3 R8 M; V# Q& A j" U, R* ]end" |( @4 \8 ~* V5 C) U' x: _
+ q# L3 S* C) [; f
to update-neighbor-total" |( K0 n: Q! Y% [
# v ]6 |' g. N0 Fif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
% t! S1 s- a) t4 _1 W' P3 y
. y3 H" p$ _& L* G! |) K
, B5 p8 I' o+ b* K* E4 iend) o$ `; L$ j0 @3 r, o, W
2 O9 x3 L; M- ]2 @1 b8 @4 ?
to update-credibility-ijl
& M4 [. r$ Z! h, S& E- r
/ Y, [- F$ }; w;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
- i+ w- U3 N3 e. Tlet l 0 y! x# ]3 J$ o/ \9 A9 T& d
while[ l < people ]
) M6 e) S+ I% y* }$ T;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
4 X9 w" y) S, e9 a1 z[4 h# q# z+ H- q5 j6 ^
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
& r u1 ^; O! j5 i! Oif (trade-record-one-j-l-len > 3), `9 Y5 c# k1 t+ x8 ?# d4 w# O
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one. T* E: p+ a$ [( g
let i 32 j' s3 k8 m* z) g! E
let sum-time 0' k$ R! h! v w6 ^6 m
while[i < trade-record-one-len]+ x, `; O5 u, R2 G
[
, t( v! J$ P* {/ L8 ~% O) p% Eset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )+ [2 m+ V8 R* r/ c; F
set i
) @; o: b' P7 [0 R( {/ B, O# p7 e( i + 1)
3 ~3 ]2 _* C. S; b* Z" E]# h2 M7 C4 ~0 M! p
let credibility-i-j-l 05 A: M. J4 A% h) C3 q! Y
;;i评价(j对jl的评价); _: V1 _' z$ e3 m. B3 T
let j 3
/ i' D# e8 V" H% D/ u/ V% [let k 4
& F) B# A: y6 H/ Q& R7 H c3 z7 Iwhile[j < trade-record-one-len]
; Q; U& O: Z4 P! @5 W$ W/ a[. L/ w/ B! w6 h& P, Q# R3 s4 L* ?
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉% w! n3 ]# B, @' }+ n
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)$ m- Z/ a' d/ i( p
set j
0 f) A6 ^1 _& p; g2 Q( j + 1)0 P) k$ k4 M. _
]; _* W3 O4 m$ p1 r5 x% k* ^) p& C
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
4 g" R2 x. B$ V4 i. n3 I9 ?) {! f* X- W/ a
1 Q( N$ x4 x! ~) e: }) |& u
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); [) L! G) P' @# j ^/ D
;;及时更新i对l的评价质量的评价
+ b1 t2 o3 E& n* k0 {8 z1 Aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]3 \# |) s) x+ [+ _) y. D6 _
set l (l + 1)# p* `3 }, k: _* G8 G
]: r8 |7 b. B6 n' Y8 D
end2 P1 L* u2 W0 {5 I% n2 ]
5 u& l6 v0 d- D% a
to update-credibility-list2 E+ d1 W A2 U* ~
let i 0
3 A0 N% w# N6 Z: H/ @while[i < people]& p8 X7 E+ ]4 |1 k: [9 @
[% [5 p& J- A, y4 D, o/ k4 G X% {
let j 0
" n! z9 @( `2 H$ T; v3 clet note 0
# e" h P4 c. s7 w, jlet k 0
# X4 ^2 h3 Y2 n' w9 m;;计作出过评价的邻居节点的数目# a1 @7 H' J+ T- f! `
while[j < people]
) F7 c4 n \, N5 D3 W[
6 q' m: J7 ^4 Cif (item j( [credibility] of turtle (i + 1)) != -1)
5 R/ H5 J8 A5 ~* n1 T* g: };;判断是否给本turtle的评价质量做出过评价的节点
+ K; F* ~9 d7 i1 m. K' M8 y[set note (note + item j ([credibility]of turtle (i + 1)))8 j4 k) X1 E" l% S8 R |
;;*(exp (-(people - 2)))/(people - 2))]6 p' B& J5 k: i: M0 i9 `( E
set k (k + 1)& w+ c& x, n7 u
]+ r1 M6 d9 }3 f5 w8 ~! A' K
set j (j + 1)4 r. h2 ~" S5 J! V# E+ ^0 V
]; @: l6 A) }0 Y; S1 n3 c' k
set note (note *(exp (- (1 / k)))/ k)- C% @% w( ]& ]
set credibility-list (replace-item i credibility-list note)
" |! q# n; m! J6 D1 y9 f2 o7 ?) |; rset i (i + 1)
, z. B( r2 n- H$ D% m$ Z7 m% W]
5 W2 K' s. W$ \& q# f L) zend- d* y6 o! D& F& h0 [+ v; c
8 a4 v/ f: l* P+ r
to update-global-reputation-list
/ `2 |& m- A# j4 @9 g [ c! Ylet j 00 }6 x) _: O4 k1 `
while[j < people]4 D+ Y1 h5 Y9 B; L; M% B3 S+ {
[" W# Y- Y+ H2 t8 Q$ G0 m) R
let new 06 [8 F, Z- [ M8 T
;;暂存新的一个全局声誉
3 b; W* s' a3 e- Nlet i 0
) {$ B r) I, F7 glet sum-money 0
' g" u& N1 B* L5 Olet credibility-money 0. _2 S( }' s! w$ _0 c. Q& @
while [i < people]
3 M" u$ V, z9 j[
$ l5 u/ N9 {; N& w, B9 {) R+ `set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))8 `* k! p) Z ~, c8 \ p
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)) \7 O2 q" R# o" p1 A
set i (i + 1), L4 |. p( Y6 w; a# k# v
]
0 g/ S& u; I N/ q0 h; F6 [/ Z0 Ylet k 0
" O! ]9 ]3 h: w0 U* a% alet new1 0
1 `, ?3 A5 z1 ]; C& \while [k < people]5 U" q+ R) z* `/ u" w
[
& W9 C5 J: t" Y) v* dset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)2 w4 V( k7 R3 ]1 U/ i% E7 Z
set k (k + 1)
& q" f6 v* @( V6 i) l]/ R1 \1 v/ Q$ N& L
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 H. x* e. Z! f/ G8 t1 e* k) x
set global-reputation-list (replace-item j global-reputation-list new)
5 H1 x! f* h7 f& y! b$ J# r3 zset j (j + 1); e+ T# ~ |' O+ p9 s. ?
]
! H7 X1 l5 b9 b6 nend
& D( r9 q1 x6 m% h! j) p/ p/ ~/ V0 o+ |) I
?9 p/ P8 ^3 y v% P" _' F
7 N- `5 G2 L! hto get-color
8 X; C3 F0 {) ^5 \6 [( i: W# Y% E' F# E' U) T
set color blue
% p/ C* u9 R; q+ _. H0 Rend
$ J7 R$ T5 A- B! f4 }0 @1 v$ M
0 J$ t# g* \; }0 T0 L% F" Mto poll-class; \- w' q2 Z2 A9 S: T( M0 R6 X, A8 t/ V
end
3 G! M" V, m, k; `' L) W( a( y/ ]4 Y* O
to setup-plot1
6 P& R/ H/ N! j6 ?+ S
5 _0 m7 s* O/ S4 kset-current-plot "Trends-of-Local-reputation": r$ m" p3 P& q# p/ z+ l2 Z' a
& R$ ], O8 @3 Y9 Q# M4 {7 `, lset-plot-x-range 0 xmax
) U6 r. Z" K1 S: {. L( f ~' H8 _+ ?; N# x9 w
set-plot-y-range 0.0 ymax; l! Q# M0 ]; Z0 R7 [4 u6 |7 ~
end
; \: s- w+ t, P% } \$ Q' h! D/ a- y- W+ ]# \
to setup-plot2
0 U# G% U2 d- _+ U P8 F2 v p. f2 b g6 C0 u6 r
set-current-plot "Trends-of-global-reputation"
0 j2 q# ?) b/ [& O* ?$ P$ W7 U) K# ?* i
set-plot-x-range 0 xmax
1 _9 Z; H& Y M, G" n
- i' [2 e% f! c4 _2 f# u4 E- k2 s% mset-plot-y-range 0.0 ymax) e$ A& r. j& o8 L% ^3 G! G: Q
end' E) Q( e8 v i2 [. |2 L M6 n% L
0 Q+ c9 Y) Q. N! H: X1 _3 |to setup-plot3
+ u7 h: h5 c% {3 y* l
" g1 {/ C6 a- j C6 v$ rset-current-plot "Trends-of-credibility". F% @/ K$ n( |# b
0 O& u9 Z9 T' [# Z5 s& ~set-plot-x-range 0 xmax
8 b2 k2 w5 ~' r: Q" o) v \
9 i. L1 _4 b! Q# t- v4 I0 Kset-plot-y-range 0.0 ymax
! {1 I( r4 `+ qend, i- _% ?4 M" {
# L3 A& a5 F; u$ h% }to do-plots8 b" a J0 D' q6 Q8 W
set-current-plot "Trends-of-Local-reputation"
6 w3 o3 a% Y( x! h- Eset-current-plot-pen "Honest service"6 A7 o6 |. e! O! [/ i+ H+ T" J; p& X
end* J+ f' R5 J. P8 d5 Z: l Z3 g
( ~" I6 X( w; p[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|